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eth,rpc: allow for flag configured timeouts for eth_call (#23645)

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* eth,rpc: allow for flag configured timeouts for eth_call

* lint: account for package-local import order

* cr: rename `rpc.calltimeout` to `rpc.evmtimeout`
This commit is contained in:
noam-alchemy 2021-10-12 04:46:04 -04:00 committed by GitHub
parent 3d11a22c99
commit 633e7ef478
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GPG Key ID: 4AEE18F83AFDEB23
10 changed files with 42 additions and 11 deletions
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1
cmd/geth/main.go
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@ -173,6 +173,7 @@ var (
utils.IPCPathFlag,
utils.InsecureUnlockAllowedFlag,
utils.RPCGlobalGasCapFlag,
utils.RPCGlobalEVMTimeoutFlag,
utils.RPCGlobalTxFeeCapFlag,
utils.AllowUnprotectedTxs,
}

1
cmd/geth/usage.go
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@ -150,6 +150,7 @@ var AppHelpFlagGroups = []flags.FlagGroup{
utils.GraphQLCORSDomainFlag,
utils.GraphQLVirtualHostsFlag,
utils.RPCGlobalGasCapFlag,
utils.RPCGlobalEVMTimeoutFlag,
utils.RPCGlobalTxFeeCapFlag,
utils.AllowUnprotectedTxs,
utils.JSpathFlag,

8
cmd/utils/flags.go
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@ -493,6 +493,11 @@ var (
Usage: "Sets a cap on gas that can be used in eth_call/estimateGas (0=infinite)",
Value: ethconfig.Defaults.RPCGasCap,
}
RPCGlobalEVMTimeoutFlag = cli.DurationFlag{
Name: "rpc.evmtimeout",
Usage: "Sets a timeout used for eth_call (0=infinite)",
Value: ethconfig.Defaults.RPCEVMTimeout,
}
RPCGlobalTxFeeCapFlag = cli.Float64Flag{
Name: "rpc.txfeecap",
Usage: "Sets a cap on transaction fee (in ether) that can be sent via the RPC APIs (0 = no cap)",
@ -1563,6 +1568,9 @@ func SetEthConfig(ctx *cli.Context, stack *node.Node, cfg *ethconfig.Config) {
} else {
log.Info("Global gas cap disabled")
}
if ctx.GlobalIsSet(RPCGlobalEVMTimeoutFlag.Name) {
cfg.RPCEVMTimeout = ctx.GlobalDuration(RPCGlobalEVMTimeoutFlag.Name)
}
if ctx.GlobalIsSet(RPCGlobalTxFeeCapFlag.Name) {
cfg.RPCTxFeeCap = ctx.GlobalFloat64(RPCGlobalTxFeeCapFlag.Name)
}

5
eth/api_backend.go
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@ -20,6 +20,7 @@ import (
"context"
"errors"
"math/big"
"time"
"github.com/ethereum/go-ethereum"
"github.com/ethereum/go-ethereum/accounts"
@ -319,6 +320,10 @@ func (b *EthAPIBackend) RPCGasCap() uint64 {
return b.eth.config.RPCGasCap
}
func (b *EthAPIBackend) RPCEVMTimeout() time.Duration {
return b.eth.config.RPCEVMTimeout
}
func (b *EthAPIBackend) RPCTxFeeCap() float64 {
return b.eth.config.RPCTxFeeCap
}

4
eth/ethconfig/config.go
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@ -89,6 +89,7 @@ var Defaults = Config{
},
TxPool: core.DefaultTxPoolConfig,
RPCGasCap: 50000000,
RPCEVMTimeout: 5 * time.Second,
GPO: FullNodeGPO,
RPCTxFeeCap: 1, // 1 ether
}
@ -188,6 +189,9 @@ type Config struct {
// RPCGasCap is the global gas cap for eth-call variants.
RPCGasCap uint64
// RPCEVMTimeout is the global timeout for eth-call.
RPCEVMTimeout time.Duration
// RPCTxFeeCap is the global transaction fee(price * gaslimit) cap for
// send-transction variants. The unit is ether.
RPCTxFeeCap float64

6
eth/ethconfig/gen_config.go
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@ -55,6 +55,7 @@ func (c Config) MarshalTOML() (interface{}, error) {
EnablePreimageRecording bool
DocRoot string `toml:"-"`
RPCGasCap uint64
RPCEVMTimeout time.Duration
RPCTxFeeCap float64
Checkpoint *params.TrustedCheckpoint `toml:",omitempty"`
CheckpointOracle *params.CheckpointOracleConfig `toml:",omitempty"`
@ -98,6 +99,7 @@ func (c Config) MarshalTOML() (interface{}, error) {
enc.EnablePreimageRecording = c.EnablePreimageRecording
enc.DocRoot = c.DocRoot
enc.RPCGasCap = c.RPCGasCap
enc.RPCEVMTimeout = c.RPCEVMTimeout
enc.RPCTxFeeCap = c.RPCTxFeeCap
enc.Checkpoint = c.Checkpoint
enc.CheckpointOracle = c.CheckpointOracle
@ -145,6 +147,7 @@ func (c *Config) UnmarshalTOML(unmarshal func(interface{}) error) error {
EnablePreimageRecording *bool
DocRoot *string `toml:"-"`
RPCGasCap *uint64
RPCEVMTimeout *time.Duration
RPCTxFeeCap *float64
Checkpoint *params.TrustedCheckpoint `toml:",omitempty"`
CheckpointOracle *params.CheckpointOracleConfig `toml:",omitempty"`
@ -265,6 +268,9 @@ func (c *Config) UnmarshalTOML(unmarshal func(interface{}) error) error {
if dec.RPCGasCap != nil {
c.RPCGasCap = *dec.RPCGasCap
}
if dec.RPCEVMTimeout != nil {
c.RPCEVMTimeout = *dec.RPCEVMTimeout
}
if dec.RPCTxFeeCap != nil {
c.RPCTxFeeCap = *dec.RPCTxFeeCap
}

5
graphql/graphql.go
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@ -23,7 +23,6 @@ import (
"fmt"
"math/big"
"strconv"
"time"
"github.com/ethereum/go-ethereum"
"github.com/ethereum/go-ethereum/common"
@ -954,7 +953,7 @@ func (b *Block) Call(ctx context.Context, args struct {
return nil, err
}
}
result, err := ethapi.DoCall(ctx, b.backend, args.Data, *b.numberOrHash, nil, 5*time.Second, b.backend.RPCGasCap())
result, err := ethapi.DoCall(ctx, b.backend, args.Data, *b.numberOrHash, nil, b.backend.RPCEVMTimeout(), b.backend.RPCGasCap())
if err != nil {
return nil, err
}
@ -1024,7 +1023,7 @@ func (p *Pending) Call(ctx context.Context, args struct {
Data ethapi.TransactionArgs
}) (*CallResult, error) {
pendingBlockNr := rpc.BlockNumberOrHashWithNumber(rpc.PendingBlockNumber)
result, err := ethapi.DoCall(ctx, p.backend, args.Data, pendingBlockNr, nil, 5*time.Second, p.backend.RPCGasCap())
result, err := ethapi.DoCall(ctx, p.backend, args.Data, pendingBlockNr, nil, p.backend.RPCEVMTimeout(), p.backend.RPCGasCap())
if err != nil {
return nil, err
}

2
internal/ethapi/api.go
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@ -972,7 +972,7 @@ func (e *revertError) ErrorData() interface{} {
// Note, this function doesn't make and changes in the state/blockchain and is
// useful to execute and retrieve values.
func (s *PublicBlockChainAPI) Call(ctx context.Context, args TransactionArgs, blockNrOrHash rpc.BlockNumberOrHash, overrides *StateOverride) (hexutil.Bytes, error) {
result, err := DoCall(ctx, s.b, args, blockNrOrHash, overrides, 5*time.Second, s.b.RPCGasCap())
result, err := DoCall(ctx, s.b, args, blockNrOrHash, overrides, s.b.RPCEVMTimeout(), s.b.RPCGasCap())
if err != nil {
return nil, err
}

2
internal/ethapi/backend.go
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@ -20,6 +20,7 @@ package ethapi
import (
"context"
"math/big"
"time"
"github.com/ethereum/go-ethereum"
"github.com/ethereum/go-ethereum/accounts"
@ -48,6 +49,7 @@ type Backend interface {
AccountManager() *accounts.Manager
ExtRPCEnabled() bool
RPCGasCap() uint64 // global gas cap for eth_call over rpc: DoS protection
RPCEVMTimeout() time.Duration // global timeout for eth_call over rpc: DoS protection
RPCTxFeeCap() float64 // global tx fee cap for all transaction related APIs
UnprotectedAllowed() bool // allows only for EIP155 transactions.

5
les/api_backend.go
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@ -20,6 +20,7 @@ import (
"context"
"errors"
"math/big"
"time"
"github.com/ethereum/go-ethereum"
"github.com/ethereum/go-ethereum/accounts"
@ -293,6 +294,10 @@ func (b *LesApiBackend) RPCGasCap() uint64 {
return b.eth.config.RPCGasCap
}
func (b *LesApiBackend) RPCEVMTimeout() time.Duration {
return b.eth.config.RPCEVMTimeout
}
func (b *LesApiBackend) RPCTxFeeCap() float64 {
return b.eth.config.RPCTxFeeCap
}