0g-chain/migrate/v0_11/migrate.go
Kevin Davis 5fc85f10a6
Add rate limiting to bep3 assets (#623)
* feat: use only module account for bep3 txs

* wip: add time-based supply limits

* add tests and sims

* update genesis tests

* fix migration, committee tests

* update migrations

* fix: set previous block time in begin block

* update store decoder

* add additional bep3 params to committee

* revert incorrect rebase changes

* add migration test

* address review comments
2020-08-26 22:05:27 -04:00

68 lines
2.4 KiB
Go

package v0_11
import (
"time"
sdk "github.com/cosmos/cosmos-sdk/types"
v0_11bep3 "github.com/kava-labs/kava/x/bep3/legacy/v0_11"
v0_9bep3 "github.com/kava-labs/kava/x/bep3/legacy/v0_9"
)
// MigrateBep3 migrates from a v0.9 (or v0.10) bep3 genesis state to a v0.11 bep3 genesis state
func MigrateBep3(oldGenState v0_9bep3.GenesisState) v0_11bep3.GenesisState {
var assetParams v0_11bep3.AssetParams
var assetSupplies v0_11bep3.AssetSupplies
v0_9Params := oldGenState.Params
for _, asset := range v0_9Params.SupportedAssets {
v10AssetParam := v0_11bep3.AssetParam{
Active: asset.Active,
Denom: asset.Denom,
CoinID: asset.CoinID,
DeputyAddress: v0_9Params.BnbDeputyAddress,
FixedFee: v0_9Params.BnbDeputyFixedFee,
MinSwapAmount: sdk.OneInt(), // set min swap to one - prevents accounts that hold zero bnb from creating spam txs
MaxSwapAmount: v0_9Params.MaxAmount,
MinBlockLock: v0_9Params.MinBlockLock,
MaxBlockLock: v0_9Params.MaxBlockLock,
SupplyLimit: v0_11bep3.SupplyLimit{
Limit: asset.Limit,
TimeLimited: false,
TimePeriod: time.Duration(0),
TimeBasedLimit: sdk.ZeroInt(),
},
}
assetParams = append(assetParams, v10AssetParam)
}
for _, supply := range oldGenState.AssetSupplies {
newSupply := v0_11bep3.NewAssetSupply(supply.IncomingSupply, supply.OutgoingSupply, supply.CurrentSupply, sdk.NewCoin(supply.CurrentSupply.Denom, sdk.ZeroInt()), time.Duration(0))
assetSupplies = append(assetSupplies, newSupply)
}
var swaps v0_11bep3.AtomicSwaps
for _, oldSwap := range oldGenState.AtomicSwaps {
newSwap := v0_11bep3.AtomicSwap{
Amount: oldSwap.Amount,
RandomNumberHash: oldSwap.RandomNumberHash,
ExpireHeight: oldSwap.ExpireHeight,
Timestamp: oldSwap.Timestamp,
Sender: oldSwap.Sender,
Recipient: oldSwap.Recipient,
SenderOtherChain: oldSwap.SenderOtherChain,
RecipientOtherChain: oldSwap.RecipientOtherChain,
ClosedBlock: oldSwap.ClosedBlock,
Status: v0_11bep3.SwapStatus(oldSwap.Status),
CrossChain: oldSwap.CrossChain,
Direction: v0_11bep3.SwapDirection(oldSwap.Direction),
}
swaps = append(swaps, newSwap)
}
return v0_11bep3.GenesisState{
Params: v0_11bep3.Params{
AssetParams: assetParams},
AtomicSwaps: swaps,
Supplies: assetSupplies,
PreviousBlockTime: v0_11bep3.DefaultPreviousBlockTime,
}
}