-
Notifications
You must be signed in to change notification settings - Fork 12
/
contract_code.go
65 lines (56 loc) · 2.08 KB
/
contract_code.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
package keeper
import (
"bytes"
"encoding/hex"
"fmt"
sdk "github.com/cosmos/cosmos-sdk/types"
sdkerrors "github.com/cosmos/cosmos-sdk/types/errors"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/crypto"
"github.com/evmos/ethermint/x/evm/statedb"
evmtypes "github.com/evmos/ethermint/x/evm/types"
"github.com/functionx/fx-core/v3/x/evm/types"
)
// CreateContractWithCode create contract account and set code
func (k *Keeper) CreateContractWithCode(ctx sdk.Context, address common.Address, code []byte) error {
codeHash := crypto.Keccak256Hash(code)
k.Logger(ctx).Debug("create contract with code", "address", address.String(), "code-hash", codeHash)
acc := k.GetAccount(ctx, address)
if acc == nil {
acc = statedb.NewEmptyAccount()
}
acc.CodeHash = codeHash.Bytes()
k.SetCode(ctx, acc.CodeHash, code)
if err := k.SetAccount(ctx, address, *acc); err != nil {
return err
}
ctx.EventManager().EmitEvent(sdk.NewEvent(
types.EventContractCode,
sdk.NewAttribute(types.AttributeKeyContract, address.String()),
sdk.NewAttribute(types.AttributeKeyCodeHash, hex.EncodeToString(acc.CodeHash)),
))
return nil
}
// UpdateContractCode update contract code and code-hash
func (k *Keeper) UpdateContractCode(ctx sdk.Context, address common.Address, contractCode []byte) error {
acc := k.GetAccount(ctx, address)
if acc == nil {
return sdkerrors.Wrap(evmtypes.ErrInvalidAccount, address.String())
}
codeHash := crypto.Keccak256Hash(contractCode).Bytes()
if bytes.Equal(codeHash, acc.CodeHash) {
return fmt.Errorf("update the same code hash: %s", address.String())
}
acc.CodeHash = codeHash
k.SetCode(ctx, acc.CodeHash, contractCode)
if err := k.SetAccount(ctx, address, *acc); err != nil {
return err
}
k.Logger(ctx).Info("update contract code", "address", address.String(), "code-hash", hex.EncodeToString(acc.CodeHash))
ctx.EventManager().EmitEvent(sdk.NewEvent(
types.EventContractCode,
sdk.NewAttribute(types.AttributeKeyContract, address.String()),
sdk.NewAttribute(types.AttributeKeyCodeHash, hex.EncodeToString(acc.CodeHash)),
))
return nil
}