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graphql: implement withdrawals (EIP-4895) (#27072)

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implements withdrawals in graphql as per https://github.com/ethereum/execution-apis/pull/400
This commit is contained in:
Sina Mahmoodi 2023-06-06 18:33:25 +02:00 committed by GitHub
parent 0783cb7d91
commit fbe432fa15
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
3 changed files with 152 additions and 5 deletions
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58
graphql/graphql.go
View File

@ -183,6 +183,31 @@ func (at *AccessTuple) StorageKeys(ctx context.Context) []common.Hash {
return at.storageKeys
}
// Withdrawal represents a withdrawal of value from the beacon chain
// by a validator. For details see EIP-4895.
type Withdrawal struct {
index uint64
validator uint64
address common.Address
amount uint64
}
func (w *Withdrawal) Index(ctx context.Context) hexutil.Uint64 {
return hexutil.Uint64(w.index)
}
func (w *Withdrawal) Validator(ctx context.Context) hexutil.Uint64 {
return hexutil.Uint64(w.validator)
}
func (w *Withdrawal) Address(ctx context.Context) common.Address {
return w.address
}
func (w *Withdrawal) Amount(ctx context.Context) hexutil.Uint64 {
return hexutil.Uint64(w.amount)
}
// Transaction represents an Ethereum transaction.
// backend and hash are mandatory; all others will be fetched when required.
type Transaction struct {
@ -951,6 +976,39 @@ func (b *Block) OmmerAt(ctx context.Context, args struct{ Index Long }) (*Block,
}, nil
}
func (b *Block) WithdrawalsRoot(ctx context.Context) (*common.Hash, error) {
header, err := b.resolveHeader(ctx)
if err != nil {
return nil, err
}
// Pre-shanghai blocks
if header.WithdrawalsHash == nil {
return nil, nil
}
return header.WithdrawalsHash, nil
}
func (b *Block) Withdrawals(ctx context.Context) (*[]*Withdrawal, error) {
block, err := b.resolve(ctx)
if err != nil || block == nil {
return nil, err
}
// Pre-shanghai blocks
if block.Header().WithdrawalsHash == nil {
return nil, nil
}
ret := make([]*Withdrawal, 0, len(block.Withdrawals()))
for _, w := range block.Withdrawals() {
ret = append(ret, &Withdrawal{
index: w.Index,
validator: w.Validator,
address: w.Address,
amount: w.Amount,
})
}
return &ret, nil
}
// BlockFilterCriteria encapsulates criteria passed to a `logs` accessor inside
// a block.
type BlockFilterCriteria struct {

81
graphql/graphql_test.go
View File

@ -28,6 +28,8 @@ import (
"time"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/consensus"
"github.com/ethereum/go-ethereum/consensus/beacon"
"github.com/ethereum/go-ethereum/consensus/ethash"
"github.com/ethereum/go-ethereum/core"
"github.com/ethereum/go-ethereum/core/types"
@ -67,7 +69,7 @@ func TestGraphQLBlockSerialization(t *testing.T) {
GasLimit: 11500000,
Difficulty: big.NewInt(1048576),
}
newGQLService(t, stack, genesis, 10, func(i int, gen *core.BlockGen) {})
newGQLService(t, stack, false, genesis, 10, func(i int, gen *core.BlockGen) {})
// start node
if err := stack.Start(); err != nil {
t.Fatalf("could not start node: %v", err)
@ -191,7 +193,7 @@ func TestGraphQLBlockSerializationEIP2718(t *testing.T) {
BaseFee: big.NewInt(params.InitialBaseFee),
}
signer := types.LatestSigner(genesis.Config)
newGQLService(t, stack, genesis, 1, func(i int, gen *core.BlockGen) {
newGQLService(t, stack, false, genesis, 1, func(i int, gen *core.BlockGen) {
gen.SetCoinbase(common.Address{1})
tx, _ := types.SignNewTx(key, signer, &types.LegacyTx{
Nonce: uint64(0),
@ -292,7 +294,7 @@ func TestGraphQLConcurrentResolvers(t *testing.T) {
defer stack.Close()
var tx *types.Transaction
handler, chain := newGQLService(t, stack, genesis, 1, func(i int, gen *core.BlockGen) {
handler, chain := newGQLService(t, stack, false, genesis, 1, func(i int, gen *core.BlockGen) {
tx, _ = types.SignNewTx(key, signer, &types.LegacyTx{To: &dad, Gas: 100000, GasPrice: big.NewInt(params.InitialBaseFee)})
gen.AddTx(tx)
tx, _ = types.SignNewTx(key, signer, &types.LegacyTx{To: &dad, Nonce: 1, Gas: 100000, GasPrice: big.NewInt(params.InitialBaseFee)})
@ -360,6 +362,66 @@ func TestGraphQLConcurrentResolvers(t *testing.T) {
}
}
func TestWithdrawals(t *testing.T) {
var (
key, _ = crypto.GenerateKey()
addr = crypto.PubkeyToAddress(key.PublicKey)
genesis = &core.Genesis{
Config: params.AllEthashProtocolChanges,
GasLimit: 11500000,
Difficulty: common.Big1,
Alloc: core.GenesisAlloc{
addr: {Balance: big.NewInt(params.Ether)},
},
}
signer = types.LatestSigner(genesis.Config)
stack = createNode(t)
)
defer stack.Close()
handler, _ := newGQLService(t, stack, true, genesis, 1, func(i int, gen *core.BlockGen) {
tx, _ := types.SignNewTx(key, signer, &types.LegacyTx{To: &common.Address{}, Gas: 100000, GasPrice: big.NewInt(params.InitialBaseFee)})
gen.AddTx(tx)
gen.AddWithdrawal(&types.Withdrawal{
Validator: 5,
Address: common.Address{},
Amount: 10,
})
})
// start node
if err := stack.Start(); err != nil {
t.Fatalf("could not start node: %v", err)
}
for i, tt := range []struct {
body string
want string
}{
// Genesis block has no withdrawals.
{
body: "{block(number: 0) { withdrawalsRoot withdrawals { index } } }",
want: `{"block":{"withdrawalsRoot":null,"withdrawals":null}}`,
},
{
body: "{block(number: 1) { withdrawalsRoot withdrawals { validator amount } } }",
want: `{"block":{"withdrawalsRoot":"0x8418fc1a48818928f6692f148e9b10e99a88edc093b095cb8ca97950284b553d","withdrawals":[{"validator":"0x5","amount":"0xa"}]}}`,
},
} {
res := handler.Schema.Exec(context.Background(), tt.body, "", map[string]interface{}{})
if res.Errors != nil {
t.Fatalf("failed to execute query for testcase #%d: %v", i, res.Errors)
}
have, err := json.Marshal(res.Data)
if err != nil {
t.Fatalf("failed to encode graphql response for testcase #%d: %s", i, err)
}
if string(have) != tt.want {
t.Errorf("response unmatch for testcase #%d.\nhave:\n%s\nwant:\n%s", i, have, tt.want)
}
}
}
func createNode(t *testing.T) *node.Node {
stack, err := node.New(&node.Config{
HTTPHost: "127.0.0.1",
@ -374,7 +436,7 @@ func createNode(t *testing.T) *node.Node {
return stack
}
func newGQLService(t *testing.T, stack *node.Node, gspec *core.Genesis, genBlocks int, genfunc func(i int, gen *core.BlockGen)) (*handler, []*types.Block) {
func newGQLService(t *testing.T, stack *node.Node, shanghai bool, gspec *core.Genesis, genBlocks int, genfunc func(i int, gen *core.BlockGen)) (*handler, []*types.Block) {
ethConf := &ethconfig.Config{
Genesis: gspec,
NetworkId: 1337,
@ -389,9 +451,18 @@ func newGQLService(t *testing.T, stack *node.Node, gspec *core.Genesis, genBlock
if err != nil {
t.Fatalf("could not create eth backend: %v", err)
}
var engine consensus.Engine = ethash.NewFaker()
if shanghai {
engine = beacon.NewFaker()
chainCfg := gspec.Config
chainCfg.TerminalTotalDifficultyPassed = true
chainCfg.TerminalTotalDifficulty = common.Big0
shanghaiTime := uint64(0)
chainCfg.ShanghaiTime = &shanghaiTime
}
// Create some blocks and import them
chain, _ := core.GenerateChain(params.AllEthashProtocolChanges, ethBackend.BlockChain().Genesis(),
ethash.NewFaker(), ethBackend.ChainDb(), genBlocks, genfunc)
engine, ethBackend.ChainDb(), genBlocks, genfunc)
_, err = ethBackend.BlockChain().InsertChain(chain)
if err != nil {
t.Fatalf("could not create import blocks: %v", err)

18
graphql/schema.go
View File

@ -77,6 +77,18 @@ const schema string = `
storageKeys : [Bytes32!]!
}
# EIP-4895
type Withdrawal {
# Index is a monotonically increasing identifier issued by consensus layer.
index: Long!
# Validator is index of the validator associated with withdrawal.
validator: Long!
# Recipient address of the withdrawn amount.
address: Address!
# Amount is the withdrawal value in Gwei.
amount: Long!
}
# Transaction is an Ethereum transaction.
type Transaction {
# Hash is the hash of this transaction.
@ -248,6 +260,12 @@ const schema string = `
rawHeader: Bytes!
# Raw is the RLP encoding of the block.
raw: Bytes!
# WithdrawalsRoot is the withdrawals trie root in this block.
# If withdrawals are unavailable for this block, this field will be null.
withdrawalsRoot: Bytes32
# Withdrawals is a list of withdrawals associated with this block. If
# withdrawals are unavailable for this block, this field will be null.
withdrawals: [Withdrawal!]
}
# CallData represents the data associated with a local contract call.