Imports github.com/btcsuite/btcd/btcec/v2 github.com/btcsuite/btcd/btcec/v2/schnorr github.com/btcsuite/btcd/btcutil/bech32 github.com/decred/dcrd/dcrec/secp256k1/v4 github.com/ewhal/go-wallet-sdk/util Standard library imports bytes crypto/aes crypto/cipher crypto/rand crypto/sha256 encoding/base64 encoding/hex encoding/json errors fmt strings