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[api] eth_getBalance by height #4271
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,150 @@ | ||
| package api | ||
|
|
||
| import ( | ||
| "context" | ||
| "encoding/hex" | ||
| "fmt" | ||
| "math/big" | ||
|
|
||
| "github.com/iotexproject/iotex-address/address" | ||
| "github.com/iotexproject/iotex-proto/golang/iotexapi" | ||
| "github.com/iotexproject/iotex-proto/golang/iotextypes" | ||
| "github.com/pkg/errors" | ||
| "google.golang.org/grpc/codes" | ||
| "google.golang.org/grpc/status" | ||
| "google.golang.org/protobuf/proto" | ||
|
|
||
| "github.com/iotexproject/iotex-core/action/protocol" | ||
| accountutil "github.com/iotexproject/iotex-core/action/protocol/account/util" | ||
| "github.com/iotexproject/iotex-core/action/protocol/execution/evm" | ||
| "github.com/iotexproject/iotex-core/blockchain/genesis" | ||
| "github.com/iotexproject/iotex-core/pkg/tracer" | ||
| ) | ||
|
|
||
| type ( | ||
| CoreServiceReaderWithHeight interface { | ||
| Account(addr address.Address) (*iotextypes.AccountMeta, *iotextypes.BlockIdentifier, error) | ||
| } | ||
|
|
||
| coreServiceReaderWithHeight struct { | ||
| cs *coreService | ||
| height uint64 | ||
| } | ||
| ) | ||
|
|
||
| func newCoreServiceWithHeight(cs *coreService, height uint64) *coreServiceReaderWithHeight { | ||
| return &coreServiceReaderWithHeight{ | ||
| cs: cs, | ||
| height: height, | ||
| } | ||
| } | ||
|
|
||
| func (core *coreServiceReaderWithHeight) Account(addr address.Address) (*iotextypes.AccountMeta, *iotextypes.BlockIdentifier, error) { | ||
| ctx, span := tracer.NewSpan(context.Background(), "coreService.Account") | ||
| defer span.End() | ||
| addrStr := addr.String() | ||
| if addrStr == address.RewardingPoolAddr || addrStr == address.StakingBucketPoolAddr { | ||
| return core.cs.getProtocolAccount(ctx, addrStr) | ||
| } | ||
| span.AddEvent("accountutil.AccountStateWithHeight") | ||
| ctx = genesis.WithGenesisContext(ctx, core.cs.bc.Genesis()) | ||
| stateReader := newStateReaderWithHeight(core.cs.sf, core.height) | ||
| state, tipHeight, err := accountutil.AccountStateWithHeight(ctx, stateReader, addr) | ||
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|
||
| if err != nil { | ||
| return nil, nil, status.Error(codes.NotFound, err.Error()) | ||
| } | ||
| var pendingNonce uint64 | ||
| ctx = protocol.WithFeatureCtx(protocol.WithBlockCtx(ctx, protocol.BlockCtx{ | ||
| BlockHeight: core.height, | ||
| })) | ||
| if protocol.MustGetFeatureCtx(ctx).RefactorFreshAccountConversion { | ||
| pendingNonce = state.PendingNonceConsideringFreshAccount() | ||
| } else { | ||
| pendingNonce = state.PendingNonce() | ||
| } | ||
| span.AddEvent("indexer.GetActionCount") | ||
| // TODO: get action count from indexer | ||
| numActions := uint64(0) | ||
| // numActions, err := core.cs.indexer.GetActionCountByAddress(hash.BytesToHash160(addr.Bytes())) | ||
| // if err != nil { | ||
| // return nil, nil, status.Error(codes.NotFound, err.Error()) | ||
| // } | ||
| // TODO: deprecate nonce field in account meta | ||
| accountMeta := &iotextypes.AccountMeta{ | ||
| Address: addrStr, | ||
| Balance: state.Balance.String(), | ||
| Nonce: pendingNonce, | ||
| NumActions: numActions, | ||
| IsContract: state.IsContract(), | ||
| } | ||
| if state.IsContract() { | ||
| var code protocol.SerializableBytes | ||
| _, err = stateReader.State(&code, protocol.NamespaceOption(evm.CodeKVNameSpace), protocol.KeyOption(state.CodeHash)) | ||
| if err != nil { | ||
| return nil, nil, status.Error(codes.NotFound, err.Error()) | ||
| } | ||
| accountMeta.ContractByteCode = code | ||
| } | ||
| span.AddEvent("bc.BlockHeaderByHeight") | ||
| header, err := core.cs.bc.BlockHeaderByHeight(core.height) | ||
| if err != nil { | ||
| return nil, nil, status.Error(codes.NotFound, err.Error()) | ||
| } | ||
| hash := header.HashBlock() | ||
| span.AddEvent("coreService.Account.End") | ||
| return accountMeta, &iotextypes.BlockIdentifier{ | ||
| Hash: hex.EncodeToString(hash[:]), | ||
| Height: tipHeight, | ||
| }, nil | ||
| } | ||
|
|
||
| func (core *coreServiceReaderWithHeight) getProtocolAccount(ctx context.Context, addr string) (*iotextypes.AccountMeta, *iotextypes.BlockIdentifier, error) { | ||
| span := tracer.SpanFromContext(ctx) | ||
| defer span.End() | ||
| var ( | ||
| balance string | ||
| out *iotexapi.ReadStateResponse | ||
| err error | ||
| ) | ||
| heightStr := fmt.Sprintf("%d", core.height) | ||
| switch addr { | ||
| case address.RewardingPoolAddr: | ||
| if out, err = core.cs.ReadState("rewarding", heightStr, []byte("TotalBalance"), nil); err != nil { | ||
| return nil, nil, err | ||
| } | ||
| val, ok := new(big.Int).SetString(string(out.GetData()), 10) | ||
| if !ok { | ||
| return nil, nil, errors.New("balance convert error") | ||
| } | ||
| balance = val.String() | ||
| case address.StakingBucketPoolAddr: | ||
| methodName, err := proto.Marshal(&iotexapi.ReadStakingDataMethod{ | ||
| Method: iotexapi.ReadStakingDataMethod_TOTAL_STAKING_AMOUNT, | ||
| }) | ||
| if err != nil { | ||
| return nil, nil, err | ||
| } | ||
| arg, err := proto.Marshal(&iotexapi.ReadStakingDataRequest{ | ||
| Request: &iotexapi.ReadStakingDataRequest_TotalStakingAmount_{ | ||
| TotalStakingAmount: &iotexapi.ReadStakingDataRequest_TotalStakingAmount{}, | ||
| }, | ||
| }) | ||
| if err != nil { | ||
| return nil, nil, err | ||
| } | ||
| if out, err = core.cs.ReadState("staking", heightStr, methodName, [][]byte{arg}); err != nil { | ||
| return nil, nil, err | ||
| } | ||
| acc := iotextypes.AccountMeta{} | ||
| if err := proto.Unmarshal(out.GetData(), &acc); err != nil { | ||
| return nil, nil, errors.Wrap(err, "failed to unmarshal account meta") | ||
| } | ||
| balance = acc.GetBalance() | ||
| default: | ||
| return nil, nil, errors.Errorf("invalid address %s", addr) | ||
| } | ||
| return &iotextypes.AccountMeta{ | ||
| Address: addr, | ||
| Balance: balance, | ||
| }, out.GetBlockIdentifier(), nil | ||
| } | ||
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should be
core.getProtocolAccount?