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src/WIF.cpp: Use constants intead of magic number.

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This commit is contained in:
Henrik Hautakoski 2020-01-30 08:04:19 +01:00
parent cc4d91579b
commit 07a85e732f
1 changed files with 8 additions and 5 deletions
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13
src/WIF.cpp
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@ -27,16 +27,19 @@
#include "checksum.h" #include "checksum.h"
#include "WIF.h" #include "WIF.h"
#define PRIV_KEY_PREFIX 0x80 /* 0x80 for "Bitcoin mainnet". Always used by EOS. */
std::string wif_priv_encode(ec_privkey_t priv) { std::string wif_priv_encode(ec_privkey_t priv) {
checksum_t check; checksum_t check;
unsigned char buf[37] = { 0x80 }; // 1 byte extra for prefix.
unsigned char buf[1 + EC_PRIVKEY_SIZE + CHECKSUM_SIZE] = { PRIV_KEY_PREFIX };
memcpy(buf + 1, priv.data(), priv.size()); memcpy(buf + 1, priv.data(), priv.size());
// Checksum // Checksum
check = checksum_sha256d(buf, 33); check = checksum_sha256d(buf, 1 + EC_PRIVKEY_SIZE);
memcpy(buf + 33, check.data(), check.size()); memcpy(buf + 1 + EC_PRIVKEY_SIZE, check.data(), check.size());
return base58_encode(buf, buf + sizeof(buf)); return base58_encode(buf, buf + sizeof(buf));
} }
@ -44,10 +47,10 @@ std::string wif_priv_encode(ec_privkey_t priv) {
std::string wif_pub_encode(ec_pubkey_t pub) { std::string wif_pub_encode(ec_pubkey_t pub) {
checksum_t check = checksum_ripemd160(pub.data(), pub.size()); checksum_t check = checksum_ripemd160(pub.data(), pub.size());
unsigned char buf[37]; unsigned char buf[EC_PUBKEY_SIZE + CHECKSUM_SIZE];
memcpy(buf, pub.data(), pub.size()); memcpy(buf, pub.data(), pub.size());
memcpy(buf + 33, check.data(), check.size()); memcpy(buf + EC_PUBKEY_SIZE, check.data(), check.size());
return "EOS" + base58_encode(buf, buf + sizeof(buf)); return "EOS" + base58_encode(buf, buf + sizeof(buf));
} }