rpc: change BlockNumber constant values to match ethclient (#27219)
ethclient accepts certain negative block number values as specifiers for the "pending", "safe" and "finalized" block. In case of "pending", the value accepted by ethclient (-1) did not match rpc.PendingBlockNumber (-2). This wasn't really a problem, but other values accepted by ethclient did match the definitions in package rpc, and it's weird to have this one special case where they don't. To fix it, we decided to change the values of the constants rather than changing ethclient. The constant values are not otherwise significant. This is a breaking API change, but we believe not a dangerous one. --------- Co-authored-by: Felix Lange <fjl@twurst.com>
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1a18283e85
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9231770811
@ -56,7 +56,7 @@ func TestUnmarshalJSONNewFilterArgs(t *testing.T) {
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// from, to block number
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var test1 FilterCriteria
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vector := fmt.Sprintf(`{"fromBlock":"%#x","toBlock":"%#x"}`, fromBlock, toBlock)
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vector := fmt.Sprintf(`{"fromBlock":"%v","toBlock":"%v"}`, fromBlock, toBlock)
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if err := json.Unmarshal([]byte(vector), &test1); err != nil {
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t.Fatal(err)
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}
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@ -296,6 +296,9 @@ func (f *Filter) checkMatches(ctx context.Context, header *types.Header) ([]*typ
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// pendingLogs returns the logs matching the filter criteria within the pending block.
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func (f *Filter) pendingLogs() ([]*types.Log, error) {
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block, receipts := f.sys.backend.PendingBlockAndReceipts()
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if block == nil {
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return nil, errors.New("pending state not available")
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}
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if bloomFilter(block.Bloom(), f.addresses, f.topics) {
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var unfiltered []*types.Log
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for _, r := range receipts {
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@ -29,6 +29,7 @@ import (
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"github.com/ethereum/go-ethereum/core/types"
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"github.com/ethereum/go-ethereum/crypto"
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"github.com/ethereum/go-ethereum/params"
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"github.com/ethereum/go-ethereum/rpc"
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)
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func makeReceipt(addr common.Address) *types.Receipt {
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@ -179,7 +180,7 @@ func TestFilters(t *testing.T) {
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// Set block 998 as Finalized (-3)
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rawdb.WriteFinalizedBlockHash(db, chain[998].Hash())
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filter := sys.NewRangeFilter(0, -1, []common.Address{addr}, [][]common.Hash{{hash1, hash2, hash3, hash4}})
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filter := sys.NewRangeFilter(0, int64(rpc.LatestBlockNumber), []common.Address{addr}, [][]common.Hash{{hash1, hash2, hash3, hash4}})
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logs, _ := filter.Logs(context.Background())
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if len(logs) != 4 {
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t.Error("expected 4 log, got", len(logs))
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@ -193,34 +194,36 @@ func TestFilters(t *testing.T) {
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sys.NewRangeFilter(900, 999, []common.Address{addr}, [][]common.Hash{{hash3}}),
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[]common.Hash{hash3},
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}, {
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sys.NewRangeFilter(990, -1, []common.Address{addr}, [][]common.Hash{{hash3}}),
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sys.NewRangeFilter(990, int64(rpc.LatestBlockNumber), []common.Address{addr}, [][]common.Hash{{hash3}}),
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[]common.Hash{hash3},
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}, {
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sys.NewRangeFilter(1, 10, nil, [][]common.Hash{{hash1, hash2}}),
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[]common.Hash{hash1, hash2},
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}, {
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sys.NewRangeFilter(0, -1, nil, [][]common.Hash{{common.BytesToHash([]byte("fail"))}}),
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sys.NewRangeFilter(0, int64(rpc.LatestBlockNumber), nil, [][]common.Hash{{common.BytesToHash([]byte("fail"))}}),
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nil,
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}, {
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sys.NewRangeFilter(0, -1, []common.Address{common.BytesToAddress([]byte("failmenow"))}, nil),
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sys.NewRangeFilter(0, int64(rpc.LatestBlockNumber), []common.Address{common.BytesToAddress([]byte("failmenow"))}, nil),
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nil,
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}, {
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sys.NewRangeFilter(0, -1, nil, [][]common.Hash{{common.BytesToHash([]byte("fail"))}, {hash1}}),
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sys.NewRangeFilter(0, int64(rpc.LatestBlockNumber), nil, [][]common.Hash{{common.BytesToHash([]byte("fail"))}, {hash1}}),
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nil,
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}, {
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sys.NewRangeFilter(-1, -1, nil, nil), []common.Hash{hash4},
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sys.NewRangeFilter(int64(rpc.LatestBlockNumber), int64(rpc.LatestBlockNumber), nil, nil), []common.Hash{hash4},
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}, {
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sys.NewRangeFilter(-3, -1, nil, nil), []common.Hash{hash3, hash4},
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sys.NewRangeFilter(int64(rpc.FinalizedBlockNumber), int64(rpc.LatestBlockNumber), nil, nil), []common.Hash{hash3, hash4},
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}, {
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sys.NewRangeFilter(-3, -3, nil, nil), []common.Hash{hash3},
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sys.NewRangeFilter(int64(rpc.FinalizedBlockNumber), int64(rpc.FinalizedBlockNumber), nil, nil), []common.Hash{hash3},
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}, {
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sys.NewRangeFilter(-1, -3, nil, nil), nil,
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sys.NewRangeFilter(int64(rpc.LatestBlockNumber), int64(rpc.FinalizedBlockNumber), nil, nil), nil,
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}, {
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sys.NewRangeFilter(-4, -1, nil, nil), nil,
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sys.NewRangeFilter(int64(rpc.SafeBlockNumber), int64(rpc.LatestBlockNumber), nil, nil), nil,
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}, {
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sys.NewRangeFilter(-4, -4, nil, nil), nil,
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sys.NewRangeFilter(int64(rpc.SafeBlockNumber), int64(rpc.SafeBlockNumber), nil, nil), nil,
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}, {
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sys.NewRangeFilter(-1, -4, nil, nil), nil,
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sys.NewRangeFilter(int64(rpc.LatestBlockNumber), int64(rpc.SafeBlockNumber), nil, nil), nil,
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}, {
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sys.NewRangeFilter(int64(rpc.PendingBlockNumber), int64(rpc.PendingBlockNumber), nil, nil), nil,
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},
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} {
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logs, _ := tc.f.Logs(context.Background())
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@ -592,19 +592,15 @@ func toBlockNumArg(number *big.Int) string {
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if number == nil {
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return "latest"
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}
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pending := big.NewInt(-1)
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if number.Cmp(pending) == 0 {
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return "pending"
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if number.Sign() >= 0 {
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return hexutil.EncodeBig(number)
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}
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finalized := big.NewInt(int64(rpc.FinalizedBlockNumber))
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if number.Cmp(finalized) == 0 {
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return "finalized"
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// It's negative.
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if number.IsInt64() {
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return rpc.BlockNumber(number.Int64()).String()
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}
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safe := big.NewInt(int64(rpc.SafeBlockNumber))
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if number.Cmp(safe) == 0 {
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return "safe"
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}
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return hexutil.EncodeBig(number)
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// It's negative and large, which is invalid.
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return fmt.Sprintf("<invalid %d>", number)
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}
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func toCallArg(msg ethereum.CallMsg) interface{} {
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@ -20,6 +20,7 @@ package gethclient
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import (
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"context"
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"encoding/json"
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"fmt"
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"math/big"
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"runtime"
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"runtime/debug"
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@ -207,19 +208,15 @@ func toBlockNumArg(number *big.Int) string {
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if number == nil {
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return "latest"
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}
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pending := big.NewInt(-1)
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if number.Cmp(pending) == 0 {
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return "pending"
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if number.Sign() >= 0 {
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return hexutil.EncodeBig(number)
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}
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finalized := big.NewInt(int64(rpc.FinalizedBlockNumber))
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if number.Cmp(finalized) == 0 {
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return "finalized"
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// It's negative.
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if number.IsInt64() {
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return rpc.BlockNumber(number.Int64()).String()
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}
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safe := big.NewInt(int64(rpc.SafeBlockNumber))
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if number.Cmp(safe) == 0 {
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return "safe"
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}
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return hexutil.EncodeBig(number)
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// It's negative and large, which is invalid.
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return fmt.Sprintf("<invalid %d>", number)
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}
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func toCallArg(msg ethereum.CallMsg) interface{} {
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44
rpc/types.go
44
rpc/types.go
@ -65,8 +65,8 @@ type BlockNumber int64
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const (
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SafeBlockNumber = BlockNumber(-4)
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FinalizedBlockNumber = BlockNumber(-3)
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PendingBlockNumber = BlockNumber(-2)
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LatestBlockNumber = BlockNumber(-1)
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LatestBlockNumber = BlockNumber(-2)
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PendingBlockNumber = BlockNumber(-1)
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EarliestBlockNumber = BlockNumber(0)
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)
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@ -111,28 +111,36 @@ func (bn *BlockNumber) UnmarshalJSON(data []byte) error {
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return nil
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}
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// Int64 returns the block number as int64.
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func (bn BlockNumber) Int64() int64 {
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return (int64)(bn)
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}
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// MarshalText implements encoding.TextMarshaler. It marshals:
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// - "safe", "finalized", "latest", "earliest" or "pending" as strings
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// - other numbers as hex
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func (bn BlockNumber) MarshalText() ([]byte, error) {
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switch bn {
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case EarliestBlockNumber:
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return []byte("earliest"), nil
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case LatestBlockNumber:
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return []byte("latest"), nil
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case PendingBlockNumber:
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return []byte("pending"), nil
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case FinalizedBlockNumber:
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return []byte("finalized"), nil
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case SafeBlockNumber:
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return []byte("safe"), nil
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default:
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return hexutil.Uint64(bn).MarshalText()
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}
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return []byte(bn.String()), nil
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}
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func (bn BlockNumber) Int64() int64 {
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return (int64)(bn)
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func (bn BlockNumber) String() string {
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switch bn {
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case EarliestBlockNumber:
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return "earliest"
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case LatestBlockNumber:
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return "latest"
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case PendingBlockNumber:
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return "pending"
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case FinalizedBlockNumber:
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return "finalized"
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case SafeBlockNumber:
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return "safe"
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default:
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if bn < 0 {
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return fmt.Sprintf("<invalid %d>", bn)
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}
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return hexutil.Uint64(bn).String()
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}
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}
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type BlockNumberOrHash struct {
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