Imports go.uber.org/zap github.com/holiman/uint256 golang.org/x/crypto/sha3 github.com/decred/dcrd/dcrec/secp256k1/v4 github.com/streamingfast/logging github.com/btcsuite/btcd/btcec/v2 github.com/btcsuite/btcd/btcec/v2/ecdsa Standard library imports bytes crypto/ecdsa crypto/elliptic encoding/binary encoding/hex encoding/json fmt hash io io/ioutil math math/big os reflect regexp strconv strings time