laconicd-deprecated/x/evm/simulation/decoder.go
2022-06-19 11:43:41 +02:00

32 lines
894 B
Go

package simulation
import (
"bytes"
"fmt"
"github.com/cosmos/cosmos-sdk/types/kv"
"github.com/ethereum/go-ethereum/common"
"github.com/evmos/ethermint/x/evm/types"
)
// NewDecodeStore returns a decoder function closure that unmarshals the KVPair's
// value to the corresponding EVM type.
func NewDecodeStore() func(kvA, kvB kv.Pair) string {
return func(kvA, kvB kv.Pair) string {
switch {
case bytes.Equal(kvA.Key[:1], types.KeyPrefixStorage):
storageA := common.BytesToHash(kvA.Value).Hex()
storageB := common.BytesToHash(kvB.Value).Hex()
return fmt.Sprintf("%v\n%v", storageA, storageB)
case bytes.Equal(kvA.Key[:1], types.KeyPrefixCode):
codeHashA := common.Bytes2Hex(kvA.Value)
codeHashB := common.Bytes2Hex(kvB.Value)
return fmt.Sprintf("%v\n%v", codeHashA, codeHashB)
default:
panic(fmt.Sprintf("invalid evm key prefix %X", kvA.Key[:1]))
}
}
}