0g-chain/x/kavamint/keeper/inflation.go

147 lines
4.6 KiB
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add x/kavamint & x/community modules (#1400) * add `x/kavamint` module (#1376) * stub out the x/kavamint module * mint staking rewards in x/kavamint BeginBlocker * calculate cumulative inflation from x/kavamint * cleanup, abstract bond denom, grpc query tests * store & use previous block time to calculate mints * move test suite to testutil * add test of x/kavamint BeginBlocker * cleanup & comments from @DracoLi review * fix x/incentive integration test * remove rest client grpc test * add x/kavamint module spec * track previous block time in genesis * suggested cleanup from PR review * bugfix incorrect module account check * add x/community module (#1388) * add x/community module * refactor and setup fund-community-pool tx * remove unused features (params, genesis state) * test x/community query and message * update with master branch deps * updates from review * indicate deprecated methods on module (still needed to fulfill interface) * remove legacy querier * derive msg Route() and Type() from sdk.MsgTypeURL(&msg) * use module name for message Route() * mint community pool inflation in x/kavamint (#1389) * mint community pool inflation in x/kavamint * refactor x/kavamint abci inflation test * test inflation from x/kavamint * default kavamint rates to 0% * rename kavamint account name variables * panic if genesis kavamint previous block time not set * emit event on kavamint begin blocker * add kavamint year of inflation sanity check test * update fund_community_pool message event * add x/community spec * refactor inflation accumulation into single func * use new comm pool in kavadist multispend proposal (#1403) the x/community module houses the new community pool. this commit points the CommunityPoolMultiSpendProposal at the new community pool so that multispend proposals can continue to be processed once original fee pool funds are move to x/community * updates from proto lint changes * update earn proposals to use new community pool originally the CommunityPoolDepositProposal & CommunityPoolWithdrawProposal used the vanilla community pool fee pool. this commit updates them both to use the new x/community module account. * spec formatting update * add x/community & x/kavamint to internal testnet genesis * increase test coverage of x/kavamint * increase test coverage of x/community * use string type for sdk.Dec proto fields; disable generation of getters for genesis and params (and other store objects) * follow sdk conventions for params endpoint naming * add kavamint to swagger; update swagger & proto docs * remove legacy querier; touch up module to match others * reduce max minting rate; refactor genesis to allow nil/zero block time; repace proto stringers and remove getters; keep sdk.Dec values strings in protos; increase validation of sdk.Dec values in params; increase coverage; add module account permission checks; ensure import and export of genesis does not change state * fix scaling of rate values -- should be yearly rates * revert key change * fix typo in test name * fix regression in running tests -- rename method Co-authored-by: Nick DeLuca <nickdeluca08@gmail.com>
2022-12-09 21:24:35 +00:00
package keeper
import (
"fmt"
add x/kavamint & x/community modules (#1400) * add `x/kavamint` module (#1376) * stub out the x/kavamint module * mint staking rewards in x/kavamint BeginBlocker * calculate cumulative inflation from x/kavamint * cleanup, abstract bond denom, grpc query tests * store & use previous block time to calculate mints * move test suite to testutil * add test of x/kavamint BeginBlocker * cleanup & comments from @DracoLi review * fix x/incentive integration test * remove rest client grpc test * add x/kavamint module spec * track previous block time in genesis * suggested cleanup from PR review * bugfix incorrect module account check * add x/community module (#1388) * add x/community module * refactor and setup fund-community-pool tx * remove unused features (params, genesis state) * test x/community query and message * update with master branch deps * updates from review * indicate deprecated methods on module (still needed to fulfill interface) * remove legacy querier * derive msg Route() and Type() from sdk.MsgTypeURL(&msg) * use module name for message Route() * mint community pool inflation in x/kavamint (#1389) * mint community pool inflation in x/kavamint * refactor x/kavamint abci inflation test * test inflation from x/kavamint * default kavamint rates to 0% * rename kavamint account name variables * panic if genesis kavamint previous block time not set * emit event on kavamint begin blocker * add kavamint year of inflation sanity check test * update fund_community_pool message event * add x/community spec * refactor inflation accumulation into single func * use new comm pool in kavadist multispend proposal (#1403) the x/community module houses the new community pool. this commit points the CommunityPoolMultiSpendProposal at the new community pool so that multispend proposals can continue to be processed once original fee pool funds are move to x/community * updates from proto lint changes * update earn proposals to use new community pool originally the CommunityPoolDepositProposal & CommunityPoolWithdrawProposal used the vanilla community pool fee pool. this commit updates them both to use the new x/community module account. * spec formatting update * add x/community & x/kavamint to internal testnet genesis * increase test coverage of x/kavamint * increase test coverage of x/community * use string type for sdk.Dec proto fields; disable generation of getters for genesis and params (and other store objects) * follow sdk conventions for params endpoint naming * add kavamint to swagger; update swagger & proto docs * remove legacy querier; touch up module to match others * reduce max minting rate; refactor genesis to allow nil/zero block time; repace proto stringers and remove getters; keep sdk.Dec values strings in protos; increase validation of sdk.Dec values in params; increase coverage; add module account permission checks; ensure import and export of genesis does not change state * fix scaling of rate values -- should be yearly rates * revert key change * fix typo in test name * fix regression in running tests -- rename method Co-authored-by: Nick DeLuca <nickdeluca08@gmail.com>
2022-12-09 21:24:35 +00:00
sdk "github.com/cosmos/cosmos-sdk/types"
"github.com/kava-labs/kava/x/kavamint/types"
add x/kavamint & x/community modules (#1400) * add `x/kavamint` module (#1376) * stub out the x/kavamint module * mint staking rewards in x/kavamint BeginBlocker * calculate cumulative inflation from x/kavamint * cleanup, abstract bond denom, grpc query tests * store & use previous block time to calculate mints * move test suite to testutil * add test of x/kavamint BeginBlocker * cleanup & comments from @DracoLi review * fix x/incentive integration test * remove rest client grpc test * add x/kavamint module spec * track previous block time in genesis * suggested cleanup from PR review * bugfix incorrect module account check * add x/community module (#1388) * add x/community module * refactor and setup fund-community-pool tx * remove unused features (params, genesis state) * test x/community query and message * update with master branch deps * updates from review * indicate deprecated methods on module (still needed to fulfill interface) * remove legacy querier * derive msg Route() and Type() from sdk.MsgTypeURL(&msg) * use module name for message Route() * mint community pool inflation in x/kavamint (#1389) * mint community pool inflation in x/kavamint * refactor x/kavamint abci inflation test * test inflation from x/kavamint * default kavamint rates to 0% * rename kavamint account name variables * panic if genesis kavamint previous block time not set * emit event on kavamint begin blocker * add kavamint year of inflation sanity check test * update fund_community_pool message event * add x/community spec * refactor inflation accumulation into single func * use new comm pool in kavadist multispend proposal (#1403) the x/community module houses the new community pool. this commit points the CommunityPoolMultiSpendProposal at the new community pool so that multispend proposals can continue to be processed once original fee pool funds are move to x/community * updates from proto lint changes * update earn proposals to use new community pool originally the CommunityPoolDepositProposal & CommunityPoolWithdrawProposal used the vanilla community pool fee pool. this commit updates them both to use the new x/community module account. * spec formatting update * add x/community & x/kavamint to internal testnet genesis * increase test coverage of x/kavamint * increase test coverage of x/community * use string type for sdk.Dec proto fields; disable generation of getters for genesis and params (and other store objects) * follow sdk conventions for params endpoint naming * add kavamint to swagger; update swagger & proto docs * remove legacy querier; touch up module to match others * reduce max minting rate; refactor genesis to allow nil/zero block time; repace proto stringers and remove getters; keep sdk.Dec values strings in protos; increase validation of sdk.Dec values in params; increase coverage; add module account permission checks; ensure import and export of genesis does not change state * fix scaling of rate values -- should be yearly rates * revert key change * fix typo in test name * fix regression in running tests -- rename method Co-authored-by: Nick DeLuca <nickdeluca08@gmail.com>
2022-12-09 21:24:35 +00:00
)
// this is the same value used in the x/hard
const (
SecondsPerYear = uint64(31536000)
)
// Minter wraps the logic of a single source of inflation. It calculates the amount of coins to be
// minted to match a yearly `rate` of inflating the `basis`.
type Minter struct {
name string // name of the minting. used as event attribute to report how much is minted
rate sdk.Dec // the yearly apy of the mint. ex. 20% => 0.2
basis sdk.Int // the base amount of coins that is inflated
destMaccName string // the destination module account name to mint coins to
mintDenom string // denom of coin this minter is responsible for minting
}
// NewMinter returns creates a new source of minting inflation
func NewMinter(
name string, rate sdk.Dec, basis sdk.Int, mintDenom string, destMaccName string,
) Minter {
return Minter{
name: name,
rate: rate,
basis: basis,
destMaccName: destMaccName,
mintDenom: mintDenom,
}
}
add x/kavamint & x/community modules (#1400) * add `x/kavamint` module (#1376) * stub out the x/kavamint module * mint staking rewards in x/kavamint BeginBlocker * calculate cumulative inflation from x/kavamint * cleanup, abstract bond denom, grpc query tests * store & use previous block time to calculate mints * move test suite to testutil * add test of x/kavamint BeginBlocker * cleanup & comments from @DracoLi review * fix x/incentive integration test * remove rest client grpc test * add x/kavamint module spec * track previous block time in genesis * suggested cleanup from PR review * bugfix incorrect module account check * add x/community module (#1388) * add x/community module * refactor and setup fund-community-pool tx * remove unused features (params, genesis state) * test x/community query and message * update with master branch deps * updates from review * indicate deprecated methods on module (still needed to fulfill interface) * remove legacy querier * derive msg Route() and Type() from sdk.MsgTypeURL(&msg) * use module name for message Route() * mint community pool inflation in x/kavamint (#1389) * mint community pool inflation in x/kavamint * refactor x/kavamint abci inflation test * test inflation from x/kavamint * default kavamint rates to 0% * rename kavamint account name variables * panic if genesis kavamint previous block time not set * emit event on kavamint begin blocker * add kavamint year of inflation sanity check test * update fund_community_pool message event * add x/community spec * refactor inflation accumulation into single func * use new comm pool in kavadist multispend proposal (#1403) the x/community module houses the new community pool. this commit points the CommunityPoolMultiSpendProposal at the new community pool so that multispend proposals can continue to be processed once original fee pool funds are move to x/community * updates from proto lint changes * update earn proposals to use new community pool originally the CommunityPoolDepositProposal & CommunityPoolWithdrawProposal used the vanilla community pool fee pool. this commit updates them both to use the new x/community module account. * spec formatting update * add x/community & x/kavamint to internal testnet genesis * increase test coverage of x/kavamint * increase test coverage of x/community * use string type for sdk.Dec proto fields; disable generation of getters for genesis and params (and other store objects) * follow sdk conventions for params endpoint naming * add kavamint to swagger; update swagger & proto docs * remove legacy querier; touch up module to match others * reduce max minting rate; refactor genesis to allow nil/zero block time; repace proto stringers and remove getters; keep sdk.Dec values strings in protos; increase validation of sdk.Dec values in params; increase coverage; add module account permission checks; ensure import and export of genesis does not change state * fix scaling of rate values -- should be yearly rates * revert key change * fix typo in test name * fix regression in running tests -- rename method Co-authored-by: Nick DeLuca <nickdeluca08@gmail.com>
2022-12-09 21:24:35 +00:00
// AccumulateInflation calculates the number of coins that should be minted to match a yearly `rate`
// for interest compounded each second of the year over `secondsPassed` seconds.
add x/kavamint & x/community modules (#1400) * add `x/kavamint` module (#1376) * stub out the x/kavamint module * mint staking rewards in x/kavamint BeginBlocker * calculate cumulative inflation from x/kavamint * cleanup, abstract bond denom, grpc query tests * store & use previous block time to calculate mints * move test suite to testutil * add test of x/kavamint BeginBlocker * cleanup & comments from @DracoLi review * fix x/incentive integration test * remove rest client grpc test * add x/kavamint module spec * track previous block time in genesis * suggested cleanup from PR review * bugfix incorrect module account check * add x/community module (#1388) * add x/community module * refactor and setup fund-community-pool tx * remove unused features (params, genesis state) * test x/community query and message * update with master branch deps * updates from review * indicate deprecated methods on module (still needed to fulfill interface) * remove legacy querier * derive msg Route() and Type() from sdk.MsgTypeURL(&msg) * use module name for message Route() * mint community pool inflation in x/kavamint (#1389) * mint community pool inflation in x/kavamint * refactor x/kavamint abci inflation test * test inflation from x/kavamint * default kavamint rates to 0% * rename kavamint account name variables * panic if genesis kavamint previous block time not set * emit event on kavamint begin blocker * add kavamint year of inflation sanity check test * update fund_community_pool message event * add x/community spec * refactor inflation accumulation into single func * use new comm pool in kavadist multispend proposal (#1403) the x/community module houses the new community pool. this commit points the CommunityPoolMultiSpendProposal at the new community pool so that multispend proposals can continue to be processed once original fee pool funds are move to x/community * updates from proto lint changes * update earn proposals to use new community pool originally the CommunityPoolDepositProposal & CommunityPoolWithdrawProposal used the vanilla community pool fee pool. this commit updates them both to use the new x/community module account. * spec formatting update * add x/community & x/kavamint to internal testnet genesis * increase test coverage of x/kavamint * increase test coverage of x/community * use string type for sdk.Dec proto fields; disable generation of getters for genesis and params (and other store objects) * follow sdk conventions for params endpoint naming * add kavamint to swagger; update swagger & proto docs * remove legacy querier; touch up module to match others * reduce max minting rate; refactor genesis to allow nil/zero block time; repace proto stringers and remove getters; keep sdk.Dec values strings in protos; increase validation of sdk.Dec values in params; increase coverage; add module account permission checks; ensure import and export of genesis does not change state * fix scaling of rate values -- should be yearly rates * revert key change * fix typo in test name * fix regression in running tests -- rename method Co-authored-by: Nick DeLuca <nickdeluca08@gmail.com>
2022-12-09 21:24:35 +00:00
// `basis` is the base amount of coins that is inflated.
func (m Minter) AccumulateInflation(secondsPassed uint64) (sdk.Coin, error) {
add x/kavamint & x/community modules (#1400) * add `x/kavamint` module (#1376) * stub out the x/kavamint module * mint staking rewards in x/kavamint BeginBlocker * calculate cumulative inflation from x/kavamint * cleanup, abstract bond denom, grpc query tests * store & use previous block time to calculate mints * move test suite to testutil * add test of x/kavamint BeginBlocker * cleanup & comments from @DracoLi review * fix x/incentive integration test * remove rest client grpc test * add x/kavamint module spec * track previous block time in genesis * suggested cleanup from PR review * bugfix incorrect module account check * add x/community module (#1388) * add x/community module * refactor and setup fund-community-pool tx * remove unused features (params, genesis state) * test x/community query and message * update with master branch deps * updates from review * indicate deprecated methods on module (still needed to fulfill interface) * remove legacy querier * derive msg Route() and Type() from sdk.MsgTypeURL(&msg) * use module name for message Route() * mint community pool inflation in x/kavamint (#1389) * mint community pool inflation in x/kavamint * refactor x/kavamint abci inflation test * test inflation from x/kavamint * default kavamint rates to 0% * rename kavamint account name variables * panic if genesis kavamint previous block time not set * emit event on kavamint begin blocker * add kavamint year of inflation sanity check test * update fund_community_pool message event * add x/community spec * refactor inflation accumulation into single func * use new comm pool in kavadist multispend proposal (#1403) the x/community module houses the new community pool. this commit points the CommunityPoolMultiSpendProposal at the new community pool so that multispend proposals can continue to be processed once original fee pool funds are move to x/community * updates from proto lint changes * update earn proposals to use new community pool originally the CommunityPoolDepositProposal & CommunityPoolWithdrawProposal used the vanilla community pool fee pool. this commit updates them both to use the new x/community module account. * spec formatting update * add x/community & x/kavamint to internal testnet genesis * increase test coverage of x/kavamint * increase test coverage of x/community * use string type for sdk.Dec proto fields; disable generation of getters for genesis and params (and other store objects) * follow sdk conventions for params endpoint naming * add kavamint to swagger; update swagger & proto docs * remove legacy querier; touch up module to match others * reduce max minting rate; refactor genesis to allow nil/zero block time; repace proto stringers and remove getters; keep sdk.Dec values strings in protos; increase validation of sdk.Dec values in params; increase coverage; add module account permission checks; ensure import and export of genesis does not change state * fix scaling of rate values -- should be yearly rates * revert key change * fix typo in test name * fix regression in running tests -- rename method Co-authored-by: Nick DeLuca <nickdeluca08@gmail.com>
2022-12-09 21:24:35 +00:00
// calculate the rate factor based on apy & seconds passed since last block
inflationRate, err := m.CalculateInflationRate(secondsPassed)
add x/kavamint & x/community modules (#1400) * add `x/kavamint` module (#1376) * stub out the x/kavamint module * mint staking rewards in x/kavamint BeginBlocker * calculate cumulative inflation from x/kavamint * cleanup, abstract bond denom, grpc query tests * store & use previous block time to calculate mints * move test suite to testutil * add test of x/kavamint BeginBlocker * cleanup & comments from @DracoLi review * fix x/incentive integration test * remove rest client grpc test * add x/kavamint module spec * track previous block time in genesis * suggested cleanup from PR review * bugfix incorrect module account check * add x/community module (#1388) * add x/community module * refactor and setup fund-community-pool tx * remove unused features (params, genesis state) * test x/community query and message * update with master branch deps * updates from review * indicate deprecated methods on module (still needed to fulfill interface) * remove legacy querier * derive msg Route() and Type() from sdk.MsgTypeURL(&msg) * use module name for message Route() * mint community pool inflation in x/kavamint (#1389) * mint community pool inflation in x/kavamint * refactor x/kavamint abci inflation test * test inflation from x/kavamint * default kavamint rates to 0% * rename kavamint account name variables * panic if genesis kavamint previous block time not set * emit event on kavamint begin blocker * add kavamint year of inflation sanity check test * update fund_community_pool message event * add x/community spec * refactor inflation accumulation into single func * use new comm pool in kavadist multispend proposal (#1403) the x/community module houses the new community pool. this commit points the CommunityPoolMultiSpendProposal at the new community pool so that multispend proposals can continue to be processed once original fee pool funds are move to x/community * updates from proto lint changes * update earn proposals to use new community pool originally the CommunityPoolDepositProposal & CommunityPoolWithdrawProposal used the vanilla community pool fee pool. this commit updates them both to use the new x/community module account. * spec formatting update * add x/community & x/kavamint to internal testnet genesis * increase test coverage of x/kavamint * increase test coverage of x/community * use string type for sdk.Dec proto fields; disable generation of getters for genesis and params (and other store objects) * follow sdk conventions for params endpoint naming * add kavamint to swagger; update swagger & proto docs * remove legacy querier; touch up module to match others * reduce max minting rate; refactor genesis to allow nil/zero block time; repace proto stringers and remove getters; keep sdk.Dec values strings in protos; increase validation of sdk.Dec values in params; increase coverage; add module account permission checks; ensure import and export of genesis does not change state * fix scaling of rate values -- should be yearly rates * revert key change * fix typo in test name * fix regression in running tests -- rename method Co-authored-by: Nick DeLuca <nickdeluca08@gmail.com>
2022-12-09 21:24:35 +00:00
if err != nil {
return sdk.Coin{}, err
add x/kavamint & x/community modules (#1400) * add `x/kavamint` module (#1376) * stub out the x/kavamint module * mint staking rewards in x/kavamint BeginBlocker * calculate cumulative inflation from x/kavamint * cleanup, abstract bond denom, grpc query tests * store & use previous block time to calculate mints * move test suite to testutil * add test of x/kavamint BeginBlocker * cleanup & comments from @DracoLi review * fix x/incentive integration test * remove rest client grpc test * add x/kavamint module spec * track previous block time in genesis * suggested cleanup from PR review * bugfix incorrect module account check * add x/community module (#1388) * add x/community module * refactor and setup fund-community-pool tx * remove unused features (params, genesis state) * test x/community query and message * update with master branch deps * updates from review * indicate deprecated methods on module (still needed to fulfill interface) * remove legacy querier * derive msg Route() and Type() from sdk.MsgTypeURL(&msg) * use module name for message Route() * mint community pool inflation in x/kavamint (#1389) * mint community pool inflation in x/kavamint * refactor x/kavamint abci inflation test * test inflation from x/kavamint * default kavamint rates to 0% * rename kavamint account name variables * panic if genesis kavamint previous block time not set * emit event on kavamint begin blocker * add kavamint year of inflation sanity check test * update fund_community_pool message event * add x/community spec * refactor inflation accumulation into single func * use new comm pool in kavadist multispend proposal (#1403) the x/community module houses the new community pool. this commit points the CommunityPoolMultiSpendProposal at the new community pool so that multispend proposals can continue to be processed once original fee pool funds are move to x/community * updates from proto lint changes * update earn proposals to use new community pool originally the CommunityPoolDepositProposal & CommunityPoolWithdrawProposal used the vanilla community pool fee pool. this commit updates them both to use the new x/community module account. * spec formatting update * add x/community & x/kavamint to internal testnet genesis * increase test coverage of x/kavamint * increase test coverage of x/community * use string type for sdk.Dec proto fields; disable generation of getters for genesis and params (and other store objects) * follow sdk conventions for params endpoint naming * add kavamint to swagger; update swagger & proto docs * remove legacy querier; touch up module to match others * reduce max minting rate; refactor genesis to allow nil/zero block time; repace proto stringers and remove getters; keep sdk.Dec values strings in protos; increase validation of sdk.Dec values in params; increase coverage; add module account permission checks; ensure import and export of genesis does not change state * fix scaling of rate values -- should be yearly rates * revert key change * fix typo in test name * fix regression in running tests -- rename method Co-authored-by: Nick DeLuca <nickdeluca08@gmail.com>
2022-12-09 21:24:35 +00:00
}
amount := inflationRate.MulInt(m.basis).TruncateInt()
return sdk.NewCoin(m.mintDenom, amount), nil
add x/kavamint & x/community modules (#1400) * add `x/kavamint` module (#1376) * stub out the x/kavamint module * mint staking rewards in x/kavamint BeginBlocker * calculate cumulative inflation from x/kavamint * cleanup, abstract bond denom, grpc query tests * store & use previous block time to calculate mints * move test suite to testutil * add test of x/kavamint BeginBlocker * cleanup & comments from @DracoLi review * fix x/incentive integration test * remove rest client grpc test * add x/kavamint module spec * track previous block time in genesis * suggested cleanup from PR review * bugfix incorrect module account check * add x/community module (#1388) * add x/community module * refactor and setup fund-community-pool tx * remove unused features (params, genesis state) * test x/community query and message * update with master branch deps * updates from review * indicate deprecated methods on module (still needed to fulfill interface) * remove legacy querier * derive msg Route() and Type() from sdk.MsgTypeURL(&msg) * use module name for message Route() * mint community pool inflation in x/kavamint (#1389) * mint community pool inflation in x/kavamint * refactor x/kavamint abci inflation test * test inflation from x/kavamint * default kavamint rates to 0% * rename kavamint account name variables * panic if genesis kavamint previous block time not set * emit event on kavamint begin blocker * add kavamint year of inflation sanity check test * update fund_community_pool message event * add x/community spec * refactor inflation accumulation into single func * use new comm pool in kavadist multispend proposal (#1403) the x/community module houses the new community pool. this commit points the CommunityPoolMultiSpendProposal at the new community pool so that multispend proposals can continue to be processed once original fee pool funds are move to x/community * updates from proto lint changes * update earn proposals to use new community pool originally the CommunityPoolDepositProposal & CommunityPoolWithdrawProposal used the vanilla community pool fee pool. this commit updates them both to use the new x/community module account. * spec formatting update * add x/community & x/kavamint to internal testnet genesis * increase test coverage of x/kavamint * increase test coverage of x/community * use string type for sdk.Dec proto fields; disable generation of getters for genesis and params (and other store objects) * follow sdk conventions for params endpoint naming * add kavamint to swagger; update swagger & proto docs * remove legacy querier; touch up module to match others * reduce max minting rate; refactor genesis to allow nil/zero block time; repace proto stringers and remove getters; keep sdk.Dec values strings in protos; increase validation of sdk.Dec values in params; increase coverage; add module account permission checks; ensure import and export of genesis does not change state * fix scaling of rate values -- should be yearly rates * revert key change * fix typo in test name * fix regression in running tests -- rename method Co-authored-by: Nick DeLuca <nickdeluca08@gmail.com>
2022-12-09 21:24:35 +00:00
}
// CalculateInflationRate converts an APY into the factor corresponding with that APY's accumulation
// over a period of secondsPassed seconds.
func (m Minter) CalculateInflationRate(secondsPassed uint64) (sdk.Dec, error) {
perSecondInterestRate, err := apyToSpy(m.rate.Add(sdk.OneDec()))
add x/kavamint & x/community modules (#1400) * add `x/kavamint` module (#1376) * stub out the x/kavamint module * mint staking rewards in x/kavamint BeginBlocker * calculate cumulative inflation from x/kavamint * cleanup, abstract bond denom, grpc query tests * store & use previous block time to calculate mints * move test suite to testutil * add test of x/kavamint BeginBlocker * cleanup & comments from @DracoLi review * fix x/incentive integration test * remove rest client grpc test * add x/kavamint module spec * track previous block time in genesis * suggested cleanup from PR review * bugfix incorrect module account check * add x/community module (#1388) * add x/community module * refactor and setup fund-community-pool tx * remove unused features (params, genesis state) * test x/community query and message * update with master branch deps * updates from review * indicate deprecated methods on module (still needed to fulfill interface) * remove legacy querier * derive msg Route() and Type() from sdk.MsgTypeURL(&msg) * use module name for message Route() * mint community pool inflation in x/kavamint (#1389) * mint community pool inflation in x/kavamint * refactor x/kavamint abci inflation test * test inflation from x/kavamint * default kavamint rates to 0% * rename kavamint account name variables * panic if genesis kavamint previous block time not set * emit event on kavamint begin blocker * add kavamint year of inflation sanity check test * update fund_community_pool message event * add x/community spec * refactor inflation accumulation into single func * use new comm pool in kavadist multispend proposal (#1403) the x/community module houses the new community pool. this commit points the CommunityPoolMultiSpendProposal at the new community pool so that multispend proposals can continue to be processed once original fee pool funds are move to x/community * updates from proto lint changes * update earn proposals to use new community pool originally the CommunityPoolDepositProposal & CommunityPoolWithdrawProposal used the vanilla community pool fee pool. this commit updates them both to use the new x/community module account. * spec formatting update * add x/community & x/kavamint to internal testnet genesis * increase test coverage of x/kavamint * increase test coverage of x/community * use string type for sdk.Dec proto fields; disable generation of getters for genesis and params (and other store objects) * follow sdk conventions for params endpoint naming * add kavamint to swagger; update swagger & proto docs * remove legacy querier; touch up module to match others * reduce max minting rate; refactor genesis to allow nil/zero block time; repace proto stringers and remove getters; keep sdk.Dec values strings in protos; increase validation of sdk.Dec values in params; increase coverage; add module account permission checks; ensure import and export of genesis does not change state * fix scaling of rate values -- should be yearly rates * revert key change * fix typo in test name * fix regression in running tests -- rename method Co-authored-by: Nick DeLuca <nickdeluca08@gmail.com>
2022-12-09 21:24:35 +00:00
if err != nil {
return sdk.ZeroDec(), err
}
rate := perSecondInterestRate.Power(secondsPassed)
return rate.Sub(sdk.OneDec()), nil
}
// AccumulateAndMintInflation defines the sources of inflation, determines the seconds passed since
// the last mint, and then mints each source of inflation to the defined destination.
func (k Keeper) AccumulateAndMintInflation(ctx sdk.Context) error {
params := k.GetParams(ctx)
// determine seconds since last mint
previousBlockTime := k.GetPreviousBlockTime(ctx)
if previousBlockTime.IsZero() {
previousBlockTime = ctx.BlockTime()
}
secondsPassed := ctx.BlockTime().Sub(previousBlockTime).Seconds()
// calculate totals before any minting is done to prevent new mints affecting the values
totalSupply := k.totalSupply(ctx)
totalBonded := k.totalBondedTokens(ctx)
bondDenom := k.bondDenom(ctx)
// define minters for each contributing piece of inflation
minters := []Minter{
// staking rewards
NewMinter(
types.AttributeKeyStakingRewardMint,
params.StakingRewardsApy,
totalBonded,
bondDenom,
k.stakingRewardsFeeCollectorName,
),
// community pool inflation
NewMinter(
types.AttributeKeyCommunityPoolMint,
params.CommunityPoolInflation,
totalSupply,
bondDenom,
k.communityPoolModuleAccountName,
),
}
mintEventAttrs := make([]sdk.Attribute, 0, len(minters))
for _, minter := range minters {
// calculate amount for time passed
amount, err := minter.AccumulateInflation(uint64(secondsPassed))
if err != nil {
return err
}
// mint & transfer coins
inflation := sdk.NewCoins(amount)
if err := k.mintCoinsToModule(ctx, inflation, minter.destMaccName); err != nil {
return err
}
// add attribute to event
mintEventAttrs = append(mintEventAttrs, sdk.NewAttribute(
minter.name,
inflation.String(),
))
}
// ------------- Bookkeeping -------------
// bookkeep the previous block time
k.SetPreviousBlockTime(ctx, ctx.BlockTime())
ctx.EventManager().EmitEvent(
sdk.NewEvent(
types.EventTypeMint,
sdk.NewAttribute(types.AttributeKeyTotalSupply, totalSupply.String()),
sdk.NewAttribute(types.AttributeKeyTotalBonded, totalBonded.String()),
sdk.NewAttribute(types.AttributeSecondsPassed, fmt.Sprintf("%f", secondsPassed)),
).AppendAttributes(mintEventAttrs...),
)
return nil
}
add x/kavamint & x/community modules (#1400) * add `x/kavamint` module (#1376) * stub out the x/kavamint module * mint staking rewards in x/kavamint BeginBlocker * calculate cumulative inflation from x/kavamint * cleanup, abstract bond denom, grpc query tests * store & use previous block time to calculate mints * move test suite to testutil * add test of x/kavamint BeginBlocker * cleanup & comments from @DracoLi review * fix x/incentive integration test * remove rest client grpc test * add x/kavamint module spec * track previous block time in genesis * suggested cleanup from PR review * bugfix incorrect module account check * add x/community module (#1388) * add x/community module * refactor and setup fund-community-pool tx * remove unused features (params, genesis state) * test x/community query and message * update with master branch deps * updates from review * indicate deprecated methods on module (still needed to fulfill interface) * remove legacy querier * derive msg Route() and Type() from sdk.MsgTypeURL(&msg) * use module name for message Route() * mint community pool inflation in x/kavamint (#1389) * mint community pool inflation in x/kavamint * refactor x/kavamint abci inflation test * test inflation from x/kavamint * default kavamint rates to 0% * rename kavamint account name variables * panic if genesis kavamint previous block time not set * emit event on kavamint begin blocker * add kavamint year of inflation sanity check test * update fund_community_pool message event * add x/community spec * refactor inflation accumulation into single func * use new comm pool in kavadist multispend proposal (#1403) the x/community module houses the new community pool. this commit points the CommunityPoolMultiSpendProposal at the new community pool so that multispend proposals can continue to be processed once original fee pool funds are move to x/community * updates from proto lint changes * update earn proposals to use new community pool originally the CommunityPoolDepositProposal & CommunityPoolWithdrawProposal used the vanilla community pool fee pool. this commit updates them both to use the new x/community module account. * spec formatting update * add x/community & x/kavamint to internal testnet genesis * increase test coverage of x/kavamint * increase test coverage of x/community * use string type for sdk.Dec proto fields; disable generation of getters for genesis and params (and other store objects) * follow sdk conventions for params endpoint naming * add kavamint to swagger; update swagger & proto docs * remove legacy querier; touch up module to match others * reduce max minting rate; refactor genesis to allow nil/zero block time; repace proto stringers and remove getters; keep sdk.Dec values strings in protos; increase validation of sdk.Dec values in params; increase coverage; add module account permission checks; ensure import and export of genesis does not change state * fix scaling of rate values -- should be yearly rates * revert key change * fix typo in test name * fix regression in running tests -- rename method Co-authored-by: Nick DeLuca <nickdeluca08@gmail.com>
2022-12-09 21:24:35 +00:00
// apyToSpy converts the input annual interest rate. For example, 10% apy would be passed as 1.10.
// SPY = Per second compounded interest rate is how cosmos mathematically represents APY.
func apyToSpy(apy sdk.Dec) (sdk.Dec, error) {
// Note: any APY greater than 176.5 will cause an out-of-bounds error
root, err := apy.ApproxRoot(SecondsPerYear)
if err != nil {
return sdk.ZeroDec(), err
}
return root, nil
}