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genesis.go
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genesis.go
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package htlc
import (
"encoding/hex"
"fmt"
tmbytes "github.com/cometbft/cometbft/libs/bytes"
sdk "github.com/cosmos/cosmos-sdk/types"
"github.com/irisnet/irismod/modules/htlc/keeper"
"github.com/irisnet/irismod/modules/htlc/types"
)
// InitGenesis stores the genesis state
func InitGenesis(ctx sdk.Context, k keeper.Keeper, data types.GenesisState) {
if err := types.ValidateGenesis(data); err != nil {
panic(err.Error())
}
k.SetPreviousBlockTime(ctx, data.PreviousBlockTime)
k.SetParams(ctx, data.Params)
for _, supply := range data.Supplies {
k.SetAssetSupply(ctx, supply, supply.CurrentSupply.Denom)
}
var incomingSupplies sdk.Coins
var outgoingSupplies sdk.Coins
for _, htlc := range data.Htlcs {
id, err := hex.DecodeString(htlc.Id)
if err != nil {
panic(err.Error())
}
if htlc.State != types.Open {
panic(fmt.Sprintf("htlc %s has invalid status %s", htlc.Id, htlc.State.String()))
}
if !htlc.Transfer {
k.SetHTLC(ctx, htlc, id)
k.AddHTLCToExpiredQueue(ctx, htlc.ExpirationHeight, id)
continue
}
// htlt assets must be both supported and active
if err := k.ValidateLiveAsset(ctx, htlc.Amount[0]); err != nil {
panic(err.Error())
}
k.SetHTLC(ctx, htlc, id)
k.AddHTLCToExpiredQueue(ctx, htlc.ExpirationHeight, id)
switch htlc.Direction {
case types.Incoming:
incomingSupplies = incomingSupplies.Add(htlc.Amount...)
case types.Outgoing:
outgoingSupplies = outgoingSupplies.Add(htlc.Amount...)
default:
panic(fmt.Sprintf("htlt %s has invalid direction %s", htlc.Id, htlc.Direction.String()))
}
}
// Asset's given incoming/outgoing supply much match the amount of coins in incoming/outgoing HTLTs
supplies := k.GetAllAssetSupplies(ctx)
for _, supply := range supplies {
incomingSupply := incomingSupplies.AmountOf(supply.CurrentSupply.Denom)
if !supply.IncomingSupply.Amount.Equal(incomingSupply) {
panic(fmt.Sprintf(
"asset's incoming supply %s does not match amount %s in incoming atomic swaps",
supply.IncomingSupply, incomingSupply,
))
}
outgoingSupply := outgoingSupplies.AmountOf(supply.CurrentSupply.Denom)
if !supply.OutgoingSupply.Amount.Equal(outgoingSupply) {
panic(fmt.Sprintf(
"asset's outgoing supply %s does not match amount %s in outgoing atomic swaps",
supply.OutgoingSupply, outgoingSupply,
))
}
limit, err := k.GetSupplyLimit(ctx, supply.CurrentSupply.Denom)
if err != nil {
panic(err)
}
if supply.CurrentSupply.Amount.GT(limit.Limit) {
panic(
fmt.Sprintf(
"asset's current supply %s is over the supply limit %s",
supply.CurrentSupply,
limit.Limit,
),
)
}
if supply.IncomingSupply.Amount.GT(limit.Limit) {
panic(
fmt.Sprintf(
"asset's incoming supply %s is over the supply limit %s",
supply.IncomingSupply,
limit.Limit,
),
)
}
if supply.IncomingSupply.Amount.Add(supply.CurrentSupply.Amount).GT(limit.Limit) {
panic(
fmt.Sprintf(
"asset's incoming supply + current supply %s is over the supply limit %s",
supply.IncomingSupply.Add(supply.CurrentSupply),
limit.Limit,
),
)
}
if supply.OutgoingSupply.Amount.GT(limit.Limit) {
panic(
fmt.Sprintf(
"asset's outgoing supply %s is over the supply limit %s",
supply.OutgoingSupply,
limit.Limit,
),
)
}
}
}
// ExportGenesis outputs the genesis state
func ExportGenesis(ctx sdk.Context, k keeper.Keeper) *types.GenesisState {
htlcs := []types.HTLC{}
k.IterateHTLCs(
ctx,
func(_ tmbytes.HexBytes, h types.HTLC) (stop bool) {
if h.State == types.Open {
htlcs = append(htlcs, h)
}
return false
},
)
supplies := k.GetAllAssetSupplies(ctx)
previousBlockTime, found := k.GetPreviousBlockTime(ctx)
if !found {
previousBlockTime = types.DefaultPreviousBlockTime
}
return types.NewGenesisState(
k.GetParams(ctx),
htlcs,
supplies,
previousBlockTime,
)
}
func PrepForZeroHeightGenesis(ctx sdk.Context, k keeper.Keeper) {
k.IterateHTLCs(
ctx,
func(id tmbytes.HexBytes, h types.HTLC) (stop bool) {
if h.State == types.Open {
h.ExpirationHeight = h.ExpirationHeight - uint64(ctx.BlockHeight()) + 1
k.SetHTLC(ctx, h, id)
}
return false
},
)
// TODO: update asset supplies and previous block time
}