Imports github.com/Decred-Next/base58/v8 github.com/Decred-Next/dcrnd/chaincfg/chainhash/v8 github.com/Decred-Next/dcrnd/dcrec/secp256k1/version2/v8 github.com/Decred-Next/dcrnd/dcrutil/version2/v8 Standard library imports bytes crypto/hmac crypto/rand crypto/sha512 encoding/binary errors fmt math/big