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interchain_liquidity_pool.go
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interchain_liquidity_pool.go
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package keeper
import (
"encoding/binary"
"fmt"
"strings"
"github.com/cosmos/cosmos-sdk/store/prefix"
sdk "github.com/cosmos/cosmos-sdk/types"
"github.com/sideprotocol/ibcswap/v6/modules/apps/101-interchain-swap/types"
)
// SetInterchainLiquidityPool set a specific interchainLiquidityPool in the store from its index
func (k Keeper) SetInitialPoolAssets(ctx sdk.Context, poolId string, tokens sdk.Coins) {
store := prefix.NewStore(ctx.KVStore(k.storeKey), types.KeyPrefix(poolId))
// Convert each sdk.Coin to a string in the format "Denom:Amount"
var coinStrings []string
for _, coin := range tokens {
coinStrings = append(coinStrings, coin.Denom+":"+coin.Amount.String())
}
// Join the coin strings with a comma
coinsString := strings.Join(coinStrings, ",")
// Convert the final string to a byte slice
b := []byte(coinsString)
store.Set(types.InterchainLiquidityPoolKey(poolId), b)
}
func (k Keeper) GetInitialPoolAssets(ctx sdk.Context, poolId string) sdk.Coins {
store := prefix.NewStore(ctx.KVStore(k.storeKey), types.KeyPrefix(poolId))
b := store.Get(types.InterchainLiquidityPoolKey(poolId))
if b == nil {
return sdk.NewCoins()
}
// Convert bytes to string
coinsString := string(b)
// Split the coins string into coin strings
coinStrings := strings.Split(coinsString, ",")
var tokens sdk.Coins
// Convert each coin string back to sdk.Coin
for _, coinString := range coinStrings {
parts := strings.Split(coinString, ":")
if len(parts) != 2 {
return sdk.NewCoins()
}
denom := parts[0]
amount, ok := sdk.NewIntFromString(parts[1])
if !ok {
return sdk.NewCoins()
}
coin := sdk.NewCoin(denom, amount)
tokens = append(tokens, coin)
}
return tokens
}
// RemoveInterchainLiquidityPool removes a interchainLiquidityPool from the store
func (k Keeper) RemoveInterchainLiquidityPool(
ctx sdk.Context,
poolId string,
) {
// Get current pool count
poolCount, found := k.GetCountByPoolId(ctx, poolId)
if !found {
return
}
store := prefix.NewStore(ctx.KVStore(k.storeKey), types.KeyPrefix(types.InterchainLiquidityPoolKeyPrefix))
store.Delete(GetInterchainLiquidityPoolKey(poolCount))
}
func (k Keeper) GetPoolCount(ctx sdk.Context) uint64 {
store := prefix.NewStore(ctx.KVStore(k.storeKey), types.KeyPrefix(types.InterchainLiquidityPoolKeyPrefix))
b := store.Get(types.CurrentPoolCountKey)
if b == nil {
return 0
}
return binary.BigEndian.Uint64(b)
}
func (k Keeper) SetPoolCount(ctx sdk.Context, count uint64) {
store := prefix.NewStore(ctx.KVStore(k.storeKey), types.KeyPrefix(types.InterchainLiquidityPoolKeyPrefix))
b := make([]byte, 8)
binary.BigEndian.PutUint64(b, count)
store.Set(types.CurrentPoolCountKey, b)
}
func GetInterchainLiquidityPoolKey(count uint64) []byte {
return []byte(fmt.Sprintf("%020d", count))
}
// GetAllInterchainLiquidityPool returns all interchainLiquidityPool
func (k Keeper) GetAllInterchainLiquidityPool(ctx sdk.Context) (list []types.InterchainLiquidityPool) {
store := prefix.NewStore(ctx.KVStore(k.storeKey), types.KeyPrefix(types.InterchainLiquidityPoolKeyPrefix))
// Start from the latest pool and move to the oldest
poolCount := k.GetPoolCount(ctx)
for i := poolCount; i >= 1 && (poolCount-i) < types.MaxPoolCount; i-- {
b := store.Get(GetInterchainLiquidityPoolKey(i))
if b == nil {
continue
}
var val types.InterchainLiquidityPool
k.cdc.MustUnmarshal(b, &val)
list = append(list, val)
}
return
}
// Sets the mapping between poolId and its count index
func (k Keeper) SetPoolIdToCountMapping(ctx sdk.Context, poolId string, count uint64) {
store := prefix.NewStore(ctx.KVStore(k.storeKey), types.PoolIdToCountKeyPrefix)
b := make([]byte, 8)
binary.BigEndian.PutUint64(b, count)
store.Set([]byte(poolId), b)
}
// Gets the count index of the poolId
func (k Keeper) GetCountByPoolId(ctx sdk.Context, poolId string) (count uint64, found bool) {
store := prefix.NewStore(ctx.KVStore(k.storeKey), types.PoolIdToCountKeyPrefix)
b := store.Get([]byte(poolId))
if b == nil {
return 0, false
}
return binary.BigEndian.Uint64(b), true
}
// Modified SetInterchainLiquidityPool
func (k Keeper) AppendInterchainLiquidityPool(ctx sdk.Context, interchainLiquidityPool types.InterchainLiquidityPool) {
store := prefix.NewStore(ctx.KVStore(k.storeKey), types.KeyPrefix(types.InterchainLiquidityPoolKeyPrefix))
// Get current pool count
poolCount := k.GetPoolCount(ctx)
// Increment the count
poolCount++
// Set the new count
k.SetPoolCount(ctx, poolCount)
// Set the poolId to count mapping
k.SetPoolIdToCountMapping(ctx, interchainLiquidityPool.Id, poolCount)
// Marshal the pool and set in store
b := k.cdc.MustMarshal(&interchainLiquidityPool)
store.Set(GetInterchainLiquidityPoolKey(poolCount), b)
// Check if we exceed max pools
if poolCount > types.MaxPoolCount {
// Remove the oldest pool
store.Delete(GetInterchainLiquidityPoolKey(poolCount - types.MaxPoolCount))
}
}
func (k Keeper) SetInterchainLiquidityPool(ctx sdk.Context, interchainLiquidityPool types.InterchainLiquidityPool) {
store := prefix.NewStore(ctx.KVStore(k.storeKey), types.KeyPrefix(types.InterchainLiquidityPoolKeyPrefix))
// Get current pool count
poolCount, found := k.GetCountByPoolId(ctx, interchainLiquidityPool.Id)
if !found {
return
}
// Marshal the pool and set in store
b := k.cdc.MustMarshal(&interchainLiquidityPool)
store.Set(GetInterchainLiquidityPoolKey(poolCount), b)
}
// Modified GetInterchainLiquidityPool
func (k Keeper) GetInterchainLiquidityPool(ctx sdk.Context, poolId string) (val types.InterchainLiquidityPool, found bool) {
store := prefix.NewStore(ctx.KVStore(k.storeKey), types.KeyPrefix(types.InterchainLiquidityPoolKeyPrefix))
count, found := k.GetCountByPoolId(ctx, poolId)
if !found {
return val, false
}
b := store.Get(GetInterchainLiquidityPoolKey(count))
if b == nil {
return val, false
}
k.cdc.MustUnmarshal(b, &val)
return val, true
}