0g-chain/x/cdp/keeper/seize.go

170 lines
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package keeper
import (
"fmt"
sdk "github.com/cosmos/cosmos-sdk/types"
Cdp accumulators (#751) * Add 'InterestFactor' to CDP type (#734) * update cdp type to include interest factor * fix build * Add cdp accumulator methods (#735) * remame fees to interest * add accumulate interest method * add basic test * add note * address review comments * update tests * Add sync cdp interest method (#737) * remame fees to interest * add accumulate interest method * add basic test * add note * address review comments * update tests * remove old fee functions * add method to synchronize cdp interest * add multi-cdp tests * add test with many blocks * add test for interest getter * address review comments * calculate time difference then convert to seconds * fix: update collateral index when syncing interest * fix: differentiate between case when apy is zero and all fees are being rounded to zero * fix: round time difference properly * update cdp genesis state and migrations (#738) * remame fees to interest * add accumulate interest method * add basic test * add note * address review comments * update tests * remove old fee functions * add method to synchronize cdp interest * add multi-cdp tests * add test with many blocks * add test for interest getter * update cdp genesis state and migrations * address review comments * calculate time difference then convert to seconds * fix: update collateral index when syncing interest * fix: differentiate between case when apy is zero and all fees are being rounded to zero * fix: simplify add/remove/update collateral index * update genesis state to include total principal amounts * update migration * Delete kava-4-cdp-state-block-500000.json * Add cdp liquidations by external keeper (#750) * feat: split liquidations between external keepers and automated begin blocker * address review comments * USDX incentive accumulators (#752) * feat: split liquidations between external keepers and automated begin blocker * wip: refactor usdx minting incentives to use accumulators/hooks * wip: refactor usdx minting claim object * feat: use accumulators/hooks for usdx minting rewards * fix: get tests passing * fix: don't create claim objects unless that cdp type is eligable for rewards * add begin blocker * update client * cleanup comments/tests * update querier * address review comments * fix: check for division by zero * address review comments * run hook before interest is synced * Remove savings rate (#764) * remove savings rate * remove savings rate from debt param * update migrations * address review comments * Add usdx incentives calculation test (#765) * add usdx incentive calculation test * update reward calculation * add allowable error to test criteria * Update x/incentive/keeper/rewards_test.go Co-authored-by: Kevin Davis <karzak@users.noreply.github.com> * fix: remove old fields from test genesis state Co-authored-by: Ruaridh <rhuairahrighairidh@users.noreply.github.com> Co-authored-by: Ruaridh <rhuairahrighairidh@users.noreply.github.com>
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sdkerrors "github.com/cosmos/cosmos-sdk/types/errors"
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"github.com/kava-labs/kava/x/cdp/types"
)
Cdp accumulators (#751) * Add 'InterestFactor' to CDP type (#734) * update cdp type to include interest factor * fix build * Add cdp accumulator methods (#735) * remame fees to interest * add accumulate interest method * add basic test * add note * address review comments * update tests * Add sync cdp interest method (#737) * remame fees to interest * add accumulate interest method * add basic test * add note * address review comments * update tests * remove old fee functions * add method to synchronize cdp interest * add multi-cdp tests * add test with many blocks * add test for interest getter * address review comments * calculate time difference then convert to seconds * fix: update collateral index when syncing interest * fix: differentiate between case when apy is zero and all fees are being rounded to zero * fix: round time difference properly * update cdp genesis state and migrations (#738) * remame fees to interest * add accumulate interest method * add basic test * add note * address review comments * update tests * remove old fee functions * add method to synchronize cdp interest * add multi-cdp tests * add test with many blocks * add test for interest getter * update cdp genesis state and migrations * address review comments * calculate time difference then convert to seconds * fix: update collateral index when syncing interest * fix: differentiate between case when apy is zero and all fees are being rounded to zero * fix: simplify add/remove/update collateral index * update genesis state to include total principal amounts * update migration * Delete kava-4-cdp-state-block-500000.json * Add cdp liquidations by external keeper (#750) * feat: split liquidations between external keepers and automated begin blocker * address review comments * USDX incentive accumulators (#752) * feat: split liquidations between external keepers and automated begin blocker * wip: refactor usdx minting incentives to use accumulators/hooks * wip: refactor usdx minting claim object * feat: use accumulators/hooks for usdx minting rewards * fix: get tests passing * fix: don't create claim objects unless that cdp type is eligable for rewards * add begin blocker * update client * cleanup comments/tests * update querier * address review comments * fix: check for division by zero * address review comments * run hook before interest is synced * Remove savings rate (#764) * remove savings rate * remove savings rate from debt param * update migrations * address review comments * Add usdx incentives calculation test (#765) * add usdx incentive calculation test * update reward calculation * add allowable error to test criteria * Update x/incentive/keeper/rewards_test.go Co-authored-by: Kevin Davis <karzak@users.noreply.github.com> * fix: remove old fields from test genesis state Co-authored-by: Ruaridh <rhuairahrighairidh@users.noreply.github.com> Co-authored-by: Ruaridh <rhuairahrighairidh@users.noreply.github.com>
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// AttemptKeeperLiquidation liquidates the cdp with the input collateral type and owner if it is below the required collateralization ratio
// if the cdp is liquidated, the keeper that sent the transaction is rewarded a percentage of the collateral according to that collateral types'
// keeper reward percentage.
func (k Keeper) AttemptKeeperLiquidation(ctx sdk.Context, keeper, owner sdk.AccAddress, collateralType string) error {
cdp, found := k.GetCdpByOwnerAndCollateralType(ctx, owner, collateralType)
if !found {
return sdkerrors.Wrapf(types.ErrCdpNotFound, "owner %s, denom %s", owner, collateralType)
}
k.hooks.BeforeCDPModified(ctx, cdp)
cdp = k.SynchronizeInterest(ctx, cdp)
err := k.ValidateLiquidation(ctx, cdp.Collateral, cdp.Type, cdp.Principal, cdp.AccumulatedFees)
if err != nil {
return err
}
cdp, err = k.payoutKeeperLiquidationReward(ctx, keeper, cdp)
if err != nil {
return err
}
return k.SeizeCollateral(ctx, cdp)
}
// SeizeCollateral liquidates the collateral in the input cdp.
// the following operations are performed:
// 1. Collateral for all deposits is sent from the cdp module to the liquidator module account
// 2. The liquidation penalty is applied
// 3. Debt coins are sent from the cdp module to the liquidator module account
// 4. The total amount of principal outstanding for that collateral type is decremented
// (this is the equivalent of saying that fees are no longer accumulated by a cdp once it gets liquidated)
func (k Keeper) SeizeCollateral(ctx sdk.Context, cdp types.CDP) error {
// Calculate the previous collateral ratio
oldCollateralToDebtRatio := k.CalculateCollateralToDebtRatio(ctx, cdp.Collateral, cdp.Type, cdp.GetTotalPrincipal())
// Move debt coins from cdp to liquidator account
deposits := k.GetDeposits(ctx, cdp.ID)
debt := cdp.GetTotalPrincipal().Amount
modAccountDebt := k.getModAccountDebt(ctx, types.ModuleName)
debt = sdk.MinInt(debt, modAccountDebt)
debtCoin := sdk.NewCoin(k.GetDebtDenom(ctx), debt)
err := k.supplyKeeper.SendCoinsFromModuleToModule(ctx, types.ModuleName, types.LiquidatorMacc, sdk.NewCoins(debtCoin))
if err != nil {
return err
}
// liquidate deposits and send collateral from cdp to liquidator
for _, dep := range deposits {
err := k.supplyKeeper.SendCoinsFromModuleToModule(ctx, types.ModuleName, types.LiquidatorMacc, sdk.NewCoins(dep.Amount))
if err != nil {
return err
}
k.DeleteDeposit(ctx, dep.CdpID, dep.Depositor)
ctx.EventManager().EmitEvent(
sdk.NewEvent(
types.EventTypeCdpLiquidation,
sdk.NewAttribute(sdk.AttributeKeyModule, types.AttributeValueCategory),
sdk.NewAttribute(types.AttributeKeyCdpID, fmt.Sprintf("%d", cdp.ID)),
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sdk.NewAttribute(types.AttributeKeyDeposit, dep.String()),
),
)
}
err = k.AuctionCollateral(ctx, deposits, cdp.Type, debt, cdp.Principal.Denom)
if err != nil {
return err
}
// Decrement total principal for this collateral type
coinsToDecrement := cdp.GetTotalPrincipal()
k.DecrementTotalPrincipal(ctx, cdp.Type, coinsToDecrement)
// Delete CDP from state
k.RemoveCdpOwnerIndex(ctx, cdp)
k.RemoveCdpCollateralRatioIndex(ctx, cdp.Type, cdp.ID, oldCollateralToDebtRatio)
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return k.DeleteCDP(ctx, cdp)
}
// LiquidateCdps seizes collateral from all CDPs below the input liquidation ratio
func (k Keeper) LiquidateCdps(ctx sdk.Context, marketID string, collateralType string, liquidationRatio sdk.Dec) error {
price, err := k.pricefeedKeeper.GetCurrentPrice(ctx, marketID)
if err != nil {
return err
}
priceDivLiqRatio := price.Price.Quo(liquidationRatio)
if priceDivLiqRatio.IsZero() {
priceDivLiqRatio = sdk.SmallestDec()
}
[R4R] Testnet-5k proposal (#404) * R4R: BEP3 module (#370) * bep3 module scaffold from cosmos/scaffold * Populated types, keeper with HTLT msgs, module params, and scaffolding for keys, and genesis * added KavaHTLT struct, UpdateHTLT struct, resolved compilation errors * refactored kavaHTLT struct <-> msgs * Implemented params, refactored UpdateKavaHTLT to UpdateKHTLT interface * Updated keeper with byTimeIndex methods * HTLT creation flow * adjustments in prep for repo config updates * App moudle updated for bep3, MsgCreateHTLT tested, HTLT keeper methods tested * Updated bep3 params to match spec * tests for MsgRefundHTLT, MsgDepositHTLT, MsgClaimHTLT * AddHtlt cli cmd, queryHtlts cmd, added conversion funcs for binance -> cosmos types, refactored MsgCreateHTLT from binance.AccAddress to sdk.AccAddress * working edits related to bep3-deputy compatibility * removed binance-chain go sdk dependency * updated msg ValidateBasic() return to sdk.Error type * implement MsgCalculateSwapID * added MsgCalculateSwapID test, updated randomNumberHash type to []byte * removed binance type conversions * msg codec registration * clean /types directory * CLI cmds:create htlt, query htlt * update keeper logic * handle MsgCreateHTLT * implement htlt type, msg types * implement global chain types * update querier * added go-ethereum to go mod * refactor QuerySwap to QueryHTLT * update HTLTMsg to MsgCreateHTLT * implemented htlt deposit * add token transfer to MsgCreateHTLT * implement refund, claim client txs * add refund/claim cmds to tx cmd * commiting go.sum for build * implemented keeper claim logic * add RandomNumberHash to create-htlt event * implement refund keeper logic * AddHTLT updated to CreateHTLT * added params keeper * updated params to single chain, added sample genesis file * implemented htlt keeper param checks * removed go-ethereum dependency * updated go.sum * housekeeping on keeper tests * updated cli tx cmds * ran go.tidy * remove links from module readme * updated coin construction in tests * added expectedIncome checks in ValidateBasic() * made ValidateAsset() more robust * update param format for tests * added basic HTLTByTime index * implement abci, fix expectedIncome validation * byTime index updated to blocks, added swap ID & expiration block to htlt * added not-expired check to HTLT claims * cross-chain mint/burn logic, htlt string type refactored to []byte * fix bnb_deputy_address param * remove abci panic * cmn.HexBytes, byTime index iteration update, claim-mint logic update * update genesis example * general codebase cleaning * renamed HTLT to AtomicSwap * staging for PR * updated naming conventions * refactor + revisions * removed code related to deposits & swap block index * added timestamp validation comment * post-refactor housekeeping * post refactor housekeeping (keeper) * remove GenesisAtomicSwap type * refactor asset supply logic * BeginBlocker expires swaps automatically * param asset.limit type updated to sdk.Int * remove claimed swaps from block index * fix DefaultDeputyAddress * removed BaseSwap * revisions * total genesis coins * updated tx examples * Automatically update fees for risky cdps (#381) * wip: sketch implementation * adding initial function to calcuate risky fees for cdps * adding todo comment to fix the function arguments * changing the function arguments * adding multiplication, print error, change types * get the number of periods, add comments and questios for code review * adding specification notes * removing old comment * replace collateral with collateral denom * remove todo and clarify comment * Update x/cdp/keeper/fees.go Co-Authored-By: Kevin Davis <karzak@users.noreply.github.com> * Update x/cdp/keeper/fees.go Co-Authored-By: Kevin Davis <karzak@users.noreply.github.com> * Update go.sum Co-Authored-By: Kevin Davis <karzak@users.noreply.github.com> * Update x/cdp/keeper/fees.go Co-Authored-By: Kevin Davis <karzak@users.noreply.github.com> * Update x/cdp/keeper/fees.go Co-Authored-By: Kevin Davis <karzak@users.noreply.github.com> * Update x/cdp/keeper/fees.go Co-Authored-By: Kevin Davis <karzak@users.noreply.github.com> * Update x/cdp/abci.go Co-Authored-By: Kevin Davis <karzak@users.noreply.github.com> * updating fees * error handling and propogation * fix collat denom variable * fix build issues, error, variable names, parameter type * Update x/cdp/abci.go Use `err` as name instead of `e` Co-Authored-By: Kevin Davis <karzak@users.noreply.github.com> * Update x/cdp/keeper/fees.go Co-Authored-By: Kevin Davis <karzak@users.noreply.github.com> * fixing error variable name * changing call to method to compute risky cdps fees * changing the calcualation to select risky cdps to be based on normalized ratio * adding skeleton for test methods, adding skeleton helper function for creating cdps for use in tests * fixing function call to helper method * fix assignment, calling function that returns two variables instead of one * adding comment and fixing call to create cdps * adding create cdps function and updating / fixing the test. one of the expected tests is failing, need to figure out why that is. added a todo question to note it * logging the cdp object before and after updating. it seems that the fees are not set / written before or after * adding interim changed * updated * fixing normalized ratio * code cleanup * changing print of accumulated fees * removing debug code * remove completed todo * remove old variable * remove spewing print statement * remove dead todo * adding note about prices for future * remove dead code * try to fix test * fix types * fix types * fix context in call * changing back as new version breaks a test * fix * cleanup, removing logging and old code * remove dead code * removing changes to cdp test * Update x/cdp/keeper/fees.go Remove old comment as suggested Co-Authored-By: Kevin Davis <karzak@users.noreply.github.com> * Update x/cdp/spec/04_begin_block.md Fix typo as suggested Co-Authored-By: Kevin Davis <karzak@users.noreply.github.com> Co-authored-by: Kevin Davis <karzak@users.noreply.github.com> * Add Savings Rate (#365) * fix: ensure cdp module accounts created at gensis * feat: add savings rate * chore: update alias * fix: update default test param values * chore: update spec for savings rate * fix: add distribution time to genesis state * fix: iterate over accounts using callback function * feat: use seprate mod account for savings rate * fix: remove mod account coins from total supply * address review comments * fix: genesis function initialization * fix: update alias * add comment about maintaining module account list * feat: add genesis example * R4R: bep3 module upgrades (#388) * bep3 module scaffold from cosmos/scaffold * Populated types, keeper with HTLT msgs, module params, and scaffolding for keys, and genesis * added KavaHTLT struct, UpdateHTLT struct, resolved compilation errors * refactored kavaHTLT struct <-> msgs * Implemented params, refactored UpdateKavaHTLT to UpdateKHTLT interface * Updated keeper with byTimeIndex methods * HTLT creation flow * adjustments in prep for repo config updates * App moudle updated for bep3, MsgCreateHTLT tested, HTLT keeper methods tested * Updated bep3 params to match spec * tests for MsgRefundHTLT, MsgDepositHTLT, MsgClaimHTLT * AddHtlt cli cmd, queryHtlts cmd, added conversion funcs for binance -> cosmos types, refactored MsgCreateHTLT from binance.AccAddress to sdk.AccAddress * working edits related to bep3-deputy compatibility * removed binance-chain go sdk dependency * updated msg ValidateBasic() return to sdk.Error type * implement MsgCalculateSwapID * added MsgCalculateSwapID test, updated randomNumberHash type to []byte * removed binance type conversions * msg codec registration * clean /types directory * CLI cmds:create htlt, query htlt * update keeper logic * handle MsgCreateHTLT * implement htlt type, msg types * implement global chain types * update querier * added go-ethereum to go mod * refactor QuerySwap to QueryHTLT * update HTLTMsg to MsgCreateHTLT * implemented htlt deposit * add token transfer to MsgCreateHTLT * implement refund, claim client txs * add refund/claim cmds to tx cmd * commiting go.sum for build * implemented keeper claim logic * add RandomNumberHash to create-htlt event * implement refund keeper logic * AddHTLT updated to CreateHTLT * added params keeper * updated params to single chain, added sample genesis file * implemented htlt keeper param checks * removed go-ethereum dependency * updated go.sum * housekeeping on keeper tests * updated cli tx cmds * ran go.tidy * remove links from module readme * updated coin construction in tests * added expectedIncome checks in ValidateBasic() * made ValidateAsset() more robust * update param format for tests * added basic HTLTByTime index * implement abci, fix expectedIncome validation * byTime index updated to blocks, added swap ID & expiration block to htlt * added not-expired check to HTLT claims * cross-chain mint/burn logic, htlt string type refactored to []byte * fix bnb_deputy_address param * remove abci panic * cmn.HexBytes, byTime index iteration update, claim-mint logic update * update genesis example * general codebase cleaning * renamed HTLT to AtomicSwap * staging for PR * updated naming conventions * refactor + revisions * removed code related to deposits & swap block index * added timestamp validation comment * post-refactor housekeeping * post refactor housekeeping (keeper) * remove GenesisAtomicSwap type * refactor asset supply logic * BeginBlocker expires swaps automatically * param asset.limit type updated to sdk.Int * remove claimed swaps from block index * fix DefaultDeputyAddress * removed BaseSwap * revisions * total genesis coins * updated tx examples * timestamp to unix * add past timestamp limit * update random number byte encoding * add recipient_other_chain to AtomicSwap * add TODO for timestamp arg parsing * generate secure random numbers * update tx cli * keeper tests * add bnb token * bep3 params test set up, test CreateAtomicSwap * swap table tests * Revert "bep3 params test set up, test CreateAtomicSwap" This reverts commits containing tests. * use tmtime.Now() * Kava distribution module (#387) * wip: kavadist module structure * feat: implement minting logic * wip: sketch module * wip: module level code * wip: bug fixes * wip: add tests * wip: resolve todos and tidy * fix: remove unused file * address review comments * fix: update genesis for guide (#394) * add kava_dist to sample genesis file (#396) * R4R: BEP3 module test suite (#395) * refactor secure rng * refactor common tests, implement keeper tests * implement asset tests * implement params, querier tests * implement keeper swap tests * refactor import naming conventions * implement core types tests * improve keeper swap tests * implement genesis types test * implement params test + revisions * implement duplicate swap test * implement duplicate swap ID test * R4R: BEP3 additional features + module test suite (#397) * update and reorder errors * implement swap deletion block delay * add swap deletion block delay, set up tests * add secure random number gen * implement AtomicSwapLongtermStorage index * fix syntax error * abci test updates * implement handler test * implement core genesis tests * update asset supply logic * implement functional asset supply * pretty print atomic swaps * requested revisions * fix test suite post merge * implement and integrate asset supply tests * update import genesis, add storage duration param * implement swap deletion ABCI test * go mod tidy * remove duplicated interface assertion * add new bep3 param to contrib genesis file * remove btc from supported assets * revisions: LongtermStorageDuration param * revisions: suite ctx, fix genesis, update contrib * implement AssetSupply type, store key, keeper * integrate supply and swaps; genesis, tests * remove legacy comments * requested revisions * update alias * Swagger Rest Automating Testing With Dredd (#390) * swagger testing and mods * fixed a test * fixed withdraw address * adding script to start the chain * fixed val rewards test * fix outstanding rewards test * fixed rewards * hooks skeleton * adding test file and hooks * updates on the hooks working * now creates a transaction and sends to the chain via rest api successfully * small fix - now works * 34 tests now passing successfully * fix print statement error * instructions on how to run the tests * changing function names when to run the hooks * adding instructions on how to setup and run the dredd tests * removing large error output file * removing binary file * removing more output logging files * creating a vote on a proposal to send to the blockchain * adding instructions on how to setup chain * adding function to get account number and sequence number * adding send msg to blockchain method * posting vote tx to blockchain - successfully prepares and sends vote to endpoint but endpoint returns 'inactive proposal with id' * successfully depositing 600 stake to a proposal * successfully depositing onto a proposal and then voting on it * got another governance test working now after submitting a vote to the blockchain * updating instructions on how to run * fixed another voting test * fixed deposits test * fixed another gov test * fix print line * fix circle ci build issue with println * improving instructions on how to build and run the hooks and dredd tests * improving instructions on how to build and run the hooks and dredd tests * finally fixed param change governance proposal test * trying to unskip tests wip * fixed gov/proposals test * fixed another test * fixed a slashing test * fixed another redelegation test * fixed another unbonding delegation test * fixed more staking tests * fixed another staking test * fixed another test * fixed more tests. 50 now passing, 15 failing * fixed mislabeled variable * managed to fix unjail test * fixed bank acct transfers test * change certain types from number to string to match the output, typo fix * another typo fix * fixed delegation test * finally figured out and fixed the latest blocks types mismatch - fixed the test * fixed staking delegators validators test * removed and noted unimplemented tests from yaml file. fixed blocks height test * fixed transcations test * adding functionality to send transfer of coins to blockchain, and to send delegations * updating the yaml to line up with a valid message format * added delegation method * adding test results showing 57 are now passing and only 5 failing * remove test yaml file from pull req * testing file updates * adding test memo * added undelegation hook method - fixed unbonding delegation test * fixed the get tx from hash test * adding not if you encounter validator set is different errors how to fix. 59 tests now passsing, 3 failing * adding test results showing 59 passing, 3 failing * finally fixed encode test - 60 tests now passing only 2 failing * adding test results 60 passing 1 failing * more test updates * finally fixed decode test - 61 tests now passing only 1 failing * test results 61 tests passing 1 failing * remove dead code * all 62 tests are now passingga swagger.yaml 0 failing * used for testing and generating transactions and testing hooks * updating run instructions * more instructions updates * updating the test file * adding note on reading from a file * refactoring code and cleanup * refactoring getting the keybase * code cleanup for address, keyname methods, remove unused code * more code cleanup around addresses * updating the instructions on how to run the dredd tests * adding comment * adding additional requirements to the go.mod dependency file * remove hardcoded home directory, read using os golang library * increase timeout in example run script * remove hardcoded home directory * reordering commands to get rid of errors if key directory is deleted * changing to use temporary directory * updating dredd timeout time * finally managed to get the script wroking using a temporary directory instead of the default * adding notes and comments * changing to use a temp directory instead of default directory * remove un-needed file * rename debugging tools folder * adding instructions to install dredd and npm * Update swagger-ui/startchain.sh Send output to dev null not to console Co-Authored-By: Kevin Davis <karzak@users.noreply.github.com> * Update swagger-ui/startchain.sh Send output to dev null not to console Co-Authored-By: Kevin Davis <karzak@users.noreply.github.com> * adding new version of test.go to setup the chain * adding todo to update instructions for new workflow * updating script to start and setup the chain * updating the transaction hash test * update the start chain script to setup the chain correctly * add the script to stop the chain and the rest server * updated the instructions for the new workflow so that all the tests pass the first time * updated the instructions on how to run the tests * update instructions for printing logs or not * updating the startchain script to add messages when starting the rest server and preparing transactions * adding print messages when stop chain is completed * updating test results to just include test output and not the debug log statements * cleaning up the messages that are printed to the user * moving files to their own directory * build go test file and remove previous binary * move instructions * updating instructions now that test file is auto built * building, running dredd tests, propagating error code, shut down blockchain all in one script * fix object type to array type for block latests * cleaning up the script * rename script as it now does all the setup, test running, shutdown, and cleanup * update instructions for new workflow * adding a shell script to call from the makefile * adding a make command to build and run all the dredd tests * update instructions to run using make * updated code review comment * minor update to instructions * update remove file command so doesn't print an error if the file has already been deleted * renaming folder and test * adjust code comment * removing example test results * updating instructions to remove reference to the test results * remove old hooks file * remove obsolete code comment * remove swagger file, will change references to the other one * remove shell script, will now use the one called from make instead * renaming as underscore messes up go build * clean up script, fix return code issues * cleanup output file * fix object to array issue * add comments to explain functionality * use variables for kvd home and kvcli home, check for errors * change the kvcli home directory. need to take this from command line * take kvcli from command line parameter to golang file * take kvcli directory from command line parameter Co-authored-by: John Maheswaran <john@kava.io> Co-authored-by: Kevin Davis <karzak@users.noreply.github.com> * R4R: Update BEP3 rest endpoints + format example requests (#402) * update and reorder errors * implement swap deletion block delay * add swap deletion block delay, set up tests * add secure random number gen * implement AtomicSwapLongtermStorage index * fix syntax error * abci test updates * implement handler test * implement core genesis tests * update asset supply logic * implement functional asset supply * pretty print atomic swaps * requested revisions * fix test suite post merge * implement and integrate asset supply tests * update import genesis, add storage duration param * implement swap deletion ABCI test * go mod tidy * remove duplicated interface assertion * add new bep3 param to contrib genesis file * remove btc from supported assets * revisions: LongtermStorageDuration param * revisions: suite ctx, fix genesis, update contrib * implement AssetSupply type, store key, keeper * integrate supply and swaps; genesis, tests * remove legacy comments * requested revisions * update alias * rest queries * implement BEP3 REST txs * draft rest server readme + example json files * tested all swap rest examples * implement query swaps rest endpoint * feat: update genesis examples * fix: use post instead of put (#405) Co-authored-by: Denali Marsh <denali@kava.io> Co-authored-by: John Maheswaran <jmaheswaran@users.noreply.github.com> Co-authored-by: John Maheswaran <john@kava.io>
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// price = $0.5
// liquidation ratio = 1.5
// normalizedRatio = (1/(0.5/1.5)) = 3
normalizedRatio := sdk.OneDec().Quo(priceDivLiqRatio)
cdpsToLiquidate := k.GetAllCdpsByCollateralTypeAndRatio(ctx, collateralType, normalizedRatio)
for _, c := range cdpsToLiquidate {
Cdp accumulators (#751) * Add 'InterestFactor' to CDP type (#734) * update cdp type to include interest factor * fix build * Add cdp accumulator methods (#735) * remame fees to interest * add accumulate interest method * add basic test * add note * address review comments * update tests * Add sync cdp interest method (#737) * remame fees to interest * add accumulate interest method * add basic test * add note * address review comments * update tests * remove old fee functions * add method to synchronize cdp interest * add multi-cdp tests * add test with many blocks * add test for interest getter * address review comments * calculate time difference then convert to seconds * fix: update collateral index when syncing interest * fix: differentiate between case when apy is zero and all fees are being rounded to zero * fix: round time difference properly * update cdp genesis state and migrations (#738) * remame fees to interest * add accumulate interest method * add basic test * add note * address review comments * update tests * remove old fee functions * add method to synchronize cdp interest * add multi-cdp tests * add test with many blocks * add test for interest getter * update cdp genesis state and migrations * address review comments * calculate time difference then convert to seconds * fix: update collateral index when syncing interest * fix: differentiate between case when apy is zero and all fees are being rounded to zero * fix: simplify add/remove/update collateral index * update genesis state to include total principal amounts * update migration * Delete kava-4-cdp-state-block-500000.json * Add cdp liquidations by external keeper (#750) * feat: split liquidations between external keepers and automated begin blocker * address review comments * USDX incentive accumulators (#752) * feat: split liquidations between external keepers and automated begin blocker * wip: refactor usdx minting incentives to use accumulators/hooks * wip: refactor usdx minting claim object * feat: use accumulators/hooks for usdx minting rewards * fix: get tests passing * fix: don't create claim objects unless that cdp type is eligable for rewards * add begin blocker * update client * cleanup comments/tests * update querier * address review comments * fix: check for division by zero * address review comments * run hook before interest is synced * Remove savings rate (#764) * remove savings rate * remove savings rate from debt param * update migrations * address review comments * Add usdx incentives calculation test (#765) * add usdx incentive calculation test * update reward calculation * add allowable error to test criteria * Update x/incentive/keeper/rewards_test.go Co-authored-by: Kevin Davis <karzak@users.noreply.github.com> * fix: remove old fields from test genesis state Co-authored-by: Ruaridh <rhuairahrighairidh@users.noreply.github.com> Co-authored-by: Ruaridh <rhuairahrighairidh@users.noreply.github.com>
2021-01-18 19:12:37 +00:00
k.hooks.BeforeCDPModified(ctx, c)
err := k.SeizeCollateral(ctx, c)
if err != nil {
return err
}
}
return nil
}
// ApplyLiquidationPenalty multiplies the input debt amount by the liquidation penalty
func (k Keeper) ApplyLiquidationPenalty(ctx sdk.Context, collateralType string, debt sdk.Int) sdk.Int {
penalty := k.getLiquidationPenalty(ctx, collateralType)
return sdk.NewDecFromInt(debt).Mul(penalty).RoundInt()
}
Cdp accumulators (#751) * Add 'InterestFactor' to CDP type (#734) * update cdp type to include interest factor * fix build * Add cdp accumulator methods (#735) * remame fees to interest * add accumulate interest method * add basic test * add note * address review comments * update tests * Add sync cdp interest method (#737) * remame fees to interest * add accumulate interest method * add basic test * add note * address review comments * update tests * remove old fee functions * add method to synchronize cdp interest * add multi-cdp tests * add test with many blocks * add test for interest getter * address review comments * calculate time difference then convert to seconds * fix: update collateral index when syncing interest * fix: differentiate between case when apy is zero and all fees are being rounded to zero * fix: round time difference properly * update cdp genesis state and migrations (#738) * remame fees to interest * add accumulate interest method * add basic test * add note * address review comments * update tests * remove old fee functions * add method to synchronize cdp interest * add multi-cdp tests * add test with many blocks * add test for interest getter * update cdp genesis state and migrations * address review comments * calculate time difference then convert to seconds * fix: update collateral index when syncing interest * fix: differentiate between case when apy is zero and all fees are being rounded to zero * fix: simplify add/remove/update collateral index * update genesis state to include total principal amounts * update migration * Delete kava-4-cdp-state-block-500000.json * Add cdp liquidations by external keeper (#750) * feat: split liquidations between external keepers and automated begin blocker * address review comments * USDX incentive accumulators (#752) * feat: split liquidations between external keepers and automated begin blocker * wip: refactor usdx minting incentives to use accumulators/hooks * wip: refactor usdx minting claim object * feat: use accumulators/hooks for usdx minting rewards * fix: get tests passing * fix: don't create claim objects unless that cdp type is eligable for rewards * add begin blocker * update client * cleanup comments/tests * update querier * address review comments * fix: check for division by zero * address review comments * run hook before interest is synced * Remove savings rate (#764) * remove savings rate * remove savings rate from debt param * update migrations * address review comments * Add usdx incentives calculation test (#765) * add usdx incentive calculation test * update reward calculation * add allowable error to test criteria * Update x/incentive/keeper/rewards_test.go Co-authored-by: Kevin Davis <karzak@users.noreply.github.com> * fix: remove old fields from test genesis state Co-authored-by: Ruaridh <rhuairahrighairidh@users.noreply.github.com> Co-authored-by: Ruaridh <rhuairahrighairidh@users.noreply.github.com>
2021-01-18 19:12:37 +00:00
// ValidateLiquidation validate that adding the input principal puts the cdp below the liquidation ratio
func (k Keeper) ValidateLiquidation(ctx sdk.Context, collateral sdk.Coin, collateralType string, principal sdk.Coin, fees sdk.Coin) error {
collateralizationRatio, err := k.CalculateCollateralizationRatio(ctx, collateral, collateralType, principal, fees, spot)
if err != nil {
return err
}
liquidationRatio := k.getLiquidationRatio(ctx, collateralType)
if collateralizationRatio.GT(liquidationRatio) {
return sdkerrors.Wrapf(types.ErrNotLiquidatable, "collateral %s, collateral ratio %s, liquidation ratio %s", collateral.Denom, collateralizationRatio, liquidationRatio)
}
return nil
}
func (k Keeper) getModAccountDebt(ctx sdk.Context, accountName string) sdk.Int {
macc := k.supplyKeeper.GetModuleAccount(ctx, accountName)
return macc.GetCoins().AmountOf(k.GetDebtDenom(ctx))
}
Cdp accumulators (#751) * Add 'InterestFactor' to CDP type (#734) * update cdp type to include interest factor * fix build * Add cdp accumulator methods (#735) * remame fees to interest * add accumulate interest method * add basic test * add note * address review comments * update tests * Add sync cdp interest method (#737) * remame fees to interest * add accumulate interest method * add basic test * add note * address review comments * update tests * remove old fee functions * add method to synchronize cdp interest * add multi-cdp tests * add test with many blocks * add test for interest getter * address review comments * calculate time difference then convert to seconds * fix: update collateral index when syncing interest * fix: differentiate between case when apy is zero and all fees are being rounded to zero * fix: round time difference properly * update cdp genesis state and migrations (#738) * remame fees to interest * add accumulate interest method * add basic test * add note * address review comments * update tests * remove old fee functions * add method to synchronize cdp interest * add multi-cdp tests * add test with many blocks * add test for interest getter * update cdp genesis state and migrations * address review comments * calculate time difference then convert to seconds * fix: update collateral index when syncing interest * fix: differentiate between case when apy is zero and all fees are being rounded to zero * fix: simplify add/remove/update collateral index * update genesis state to include total principal amounts * update migration * Delete kava-4-cdp-state-block-500000.json * Add cdp liquidations by external keeper (#750) * feat: split liquidations between external keepers and automated begin blocker * address review comments * USDX incentive accumulators (#752) * feat: split liquidations between external keepers and automated begin blocker * wip: refactor usdx minting incentives to use accumulators/hooks * wip: refactor usdx minting claim object * feat: use accumulators/hooks for usdx minting rewards * fix: get tests passing * fix: don't create claim objects unless that cdp type is eligable for rewards * add begin blocker * update client * cleanup comments/tests * update querier * address review comments * fix: check for division by zero * address review comments * run hook before interest is synced * Remove savings rate (#764) * remove savings rate * remove savings rate from debt param * update migrations * address review comments * Add usdx incentives calculation test (#765) * add usdx incentive calculation test * update reward calculation * add allowable error to test criteria * Update x/incentive/keeper/rewards_test.go Co-authored-by: Kevin Davis <karzak@users.noreply.github.com> * fix: remove old fields from test genesis state Co-authored-by: Ruaridh <rhuairahrighairidh@users.noreply.github.com> Co-authored-by: Ruaridh <rhuairahrighairidh@users.noreply.github.com>
2021-01-18 19:12:37 +00:00
func (k Keeper) payoutKeeperLiquidationReward(ctx sdk.Context, keeper sdk.AccAddress, cdp types.CDP) (types.CDP, error) {
collateralParam, found := k.GetCollateral(ctx, cdp.Type)
if !found {
return types.CDP{}, sdkerrors.Wrapf(types.ErrInvalidCollateral, "%s", cdp.Type)
}
reward := cdp.Collateral.Amount.ToDec().Mul(collateralParam.KeeperRewardPercentage).RoundInt()
rewardCoin := sdk.NewCoin(cdp.Collateral.Denom, reward)
paidReward := false
deposits := k.GetDeposits(ctx, cdp.ID)
for _, dep := range deposits {
if dep.Amount.IsGTE(rewardCoin) {
dep.Amount = dep.Amount.Sub(rewardCoin)
k.SetDeposit(ctx, dep)
paidReward = true
break
}
}
if !paidReward {
return cdp, nil
}
err := k.supplyKeeper.SendCoinsFromModuleToAccount(ctx, types.ModuleName, keeper, sdk.NewCoins(rewardCoin))
if err != nil {
return types.CDP{}, err
}
cdp.Collateral = cdp.Collateral.Sub(rewardCoin)
ratio := k.CalculateCollateralToDebtRatio(ctx, cdp.Collateral, cdp.Type, cdp.GetTotalPrincipal())
err = k.UpdateCdpAndCollateralRatioIndex(ctx, cdp, ratio)
if err != nil {
return types.CDP{}, err
}
return cdp, nil
}