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Bep3 migration (#662)

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* draft kava-4 bep3 migration

* add busd, btcb, xrpb to bep3 migration

* add deputy addresses

* update xrp unit conversion

* harmonize fees

* set min swap relative to fees

* fix: missing zero in min swap amount

* set busd fees equal to other assets

* improve comments

* set new bep3 asset limits to 1000 usd equivalent
This commit is contained in:
Kevin Davis 2020-09-30 19:21:34 -04:00 committed by GitHub
parent 495898170c
commit 00f2068d1b
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 83 additions and 6 deletions
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89
migrate/v0_11/migrate.go
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@ -14,7 +14,7 @@ import (
v38_5auth "github.com/kava-labs/kava/migrate/v0_11/legacy/cosmos-sdk/v0.38.5/auth"
v38_5supply "github.com/kava-labs/kava/migrate/v0_11/legacy/cosmos-sdk/v0.38.5/supply"
v0_11bep3 "github.com/kava-labs/kava/x/bep3/legacy/v0_11"
v0_11bep3 "github.com/kava-labs/kava/x/bep3"
v0_9bep3 "github.com/kava-labs/kava/x/bep3/legacy/v0_9"
v0_11cdp "github.com/kava-labs/kava/x/cdp"
v0_9cdp "github.com/kava-labs/kava/x/cdp/legacy/v0_9"
@ -37,13 +37,13 @@ func MigrateBep3(oldGenState v0_9bep3.GenesisState) v0_11bep3.GenesisState {
v0_9Params := oldGenState.Params
for _, asset := range v0_9Params.SupportedAssets {
v10AssetParam := v0_11bep3.AssetParam{
v11AssetParam := 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
MinSwapAmount: v0_9Params.BnbDeputyFixedFee.Add(sdk.OneInt()), // set min swap to one (after fees)- prevents accounts that hold zero bnb from creating spam txs
MaxSwapAmount: v0_9Params.MaxAmount,
MinBlockLock: v0_9Params.MinBlockLock,
MaxBlockLock: v0_9Params.MaxBlockLock,
@ -54,7 +54,7 @@ func MigrateBep3(oldGenState v0_9bep3.GenesisState) v0_11bep3.GenesisState {
TimeBasedLimit: sdk.ZeroInt(),
},
}
assetParams = append(assetParams, v10AssetParam)
assetParams = append(assetParams, v11AssetParam)
}
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))
@ -78,9 +78,86 @@ func MigrateBep3(oldGenState v0_9bep3.GenesisState) v0_11bep3.GenesisState {
}
swaps = append(swaps, newSwap)
}
// -------------- ADD BTCB To BEP3 params --------------------
btcbAssetParam := v0_11bep3.NewAssetParam(
"btcb",
0,
v0_11bep3.SupplyLimit{
Limit: sdk.NewInt(100000000), // 1 BTC limit at launch
TimeLimited: false,
TimePeriod: time.Duration(0),
TimeBasedLimit: sdk.ZeroInt()},
true,
mustAccAddressFromBech32("kava14qsmvzprqvhwmgql9fr0u3zv9n2qla8zhnm5pc"),
sdk.NewInt(2), // 2 satoshi fee
sdk.NewInt(3),
sdk.NewInt(1000000000),
220,
270,
)
btcbAssetSupply := v0_11bep3.NewAssetSupply(
sdk.NewCoin("btcb", sdk.ZeroInt()),
sdk.NewCoin("btcb", sdk.ZeroInt()),
sdk.NewCoin("btcb", sdk.ZeroInt()),
sdk.NewCoin("btcb", sdk.ZeroInt()),
time.Duration(0))
assetParams = append(assetParams, btcbAssetParam)
assetSupplies = append(assetSupplies, btcbAssetSupply)
// -------------- ADD XRPB To BEP3 params --------------------
xrpbAssetParam := v0_11bep3.NewAssetParam(
"xrpb", // NOTE: XRPB has 8 decimals on binance chain, whereas XRP has 6 decimals natively
144,
v0_11bep3.SupplyLimit{
Limit: sdk.NewInt(1000000000000), // 10,000 XRP limit at launch
TimeLimited: false,
TimePeriod: time.Duration(0),
TimeBasedLimit: sdk.ZeroInt()},
true,
mustAccAddressFromBech32("kava1c0ju5vnwgpgxnrktfnkccuth9xqc68dcdpzpas"),
sdk.NewInt(100000), // 0.001 XRP fee
sdk.NewInt(100001),
sdk.NewInt(10000000000000),
220,
270,
)
xrpbAssetSupply := v0_11bep3.NewAssetSupply(
sdk.NewCoin("xrpb", sdk.ZeroInt()),
sdk.NewCoin("xrpb", sdk.ZeroInt()),
sdk.NewCoin("xrpb", sdk.ZeroInt()),
sdk.NewCoin("xrpb", sdk.ZeroInt()),
time.Duration(0))
assetParams = append(assetParams, xrpbAssetParam)
assetSupplies = append(assetSupplies, xrpbAssetSupply)
// -------------- ADD BUSD To BEP3 params --------------------
busdAssetParam := v0_11bep3.NewAssetParam(
"busd",
727, // note - no official SLIP 44 ID
v0_11bep3.SupplyLimit{
Limit: sdk.NewInt(100000000000), // 1,000 BUSD limit at launch
TimeLimited: false,
TimePeriod: time.Duration(0),
TimeBasedLimit: sdk.ZeroInt()},
true,
mustAccAddressFromBech32("kava1hh4x3a4suu5zyaeauvmv7ypf7w9llwlfufjmuu"),
sdk.NewInt(20000),
sdk.NewInt(20001),
sdk.NewInt(1000000000000),
220,
270,
)
busdAssetSupply := v0_11bep3.NewAssetSupply(
sdk.NewCoin("busd", sdk.ZeroInt()),
sdk.NewCoin("busd", sdk.ZeroInt()),
sdk.NewCoin("busd", sdk.ZeroInt()),
sdk.NewCoin("busd", sdk.ZeroInt()),
time.Duration(0))
assetParams = append(assetParams, busdAssetParam)
assetSupplies = append(assetSupplies, busdAssetSupply)
return v0_11bep3.GenesisState{
Params: v0_11bep3.Params{
AssetParams: assetParams},
Params: v0_11bep3.NewParams(assetParams),
AtomicSwaps: swaps,
Supplies: assetSupplies,
PreviousBlockTime: v0_11bep3.DefaultPreviousBlockTime,