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[refactor] Use compute_address in msgGetAddress.

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Jochen Hoenicke 2017-03-29 16:53:45 +02:00
parent 7b1381766f
commit 99fc6d31d1
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GPG Key ID: 65B10C0466560648
1 changed files with 3 additions and 78 deletions
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81
firmware/fsm.c
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@ -584,85 +584,10 @@ void fsm_msgGetAddress(GetAddress *msg)
HDNode *node = fsm_getDerivedNode(SECP256K1_NAME, msg->address_n, msg->address_n_count);
if (!node) return;
hdnode_fill_public_key(node);
int is_segwit = 0;
uint8_t digest[32];
uint8_t raw[32+2+4];
size_t prelen;
bool is_segwit = 0;
if (msg->has_multisig) {
layoutProgressSwipe("Preparing", 0);
if (cryptoMultisigPubkeyIndex(&(msg->multisig), node->public_key) < 0) {
fsm_sendFailure(FailureType_Failure_Other, "Pubkey not found in multisig script");
layoutHome();
return;
}
if (compile_script_multisig_hash(&(msg->multisig), digest) == 0) {
fsm_sendFailure(FailureType_Failure_Other, "Invalid multisig script");
layoutHome();
return;
}
if (msg->has_script_type
&& (msg->script_type == InputScriptType_SPENDWITNESS
|| msg->script_type == InputScriptType_SPENDP2SHWITNESS)) {
is_segwit = 1;
// segwit p2wsh: script hash is single sha256
if (msg->script_type == InputScriptType_SPENDWITNESS) {
prelen = address_prefix_bytes_len(coin->address_type_p2wsh);
address_write_prefix_bytes(coin->address_type_p2wsh, raw);
raw[prelen] = 0; // version byte
raw[prelen + 1] = 0; // always 0, see bip-142
memcpy(raw+prelen+2, digest, 32);
base58_encode_check(raw, prelen + 34, resp->address, sizeof(resp->address));
} else {
// segwit p2wsh encapsuled in p2sh address
raw[0] = 0; // push version
raw[1] = 32; // push 32 bytes
memcpy(raw+2, digest, 32); // push hash
sha256_Raw(raw, 34, digest);
prelen = address_prefix_bytes_len(coin->address_type_p2wsh);
address_write_prefix_bytes(coin->address_type_p2sh, raw);
ripemd160(digest, 32, raw + prelen);
base58_encode_check(raw, prelen + 20, resp->address, sizeof(resp->address));
}
} else {
// non-segwit p2sh multisig
prelen = address_prefix_bytes_len(coin->address_type_p2sh);
address_write_prefix_bytes(coin->address_type_p2sh, raw);
ripemd160(digest, 32, raw + prelen);
base58_encode_check(raw, prelen + 20, resp->address, sizeof(resp->address));
}
} else if (msg->has_script_type
&& msg->script_type == InputScriptType_SPENDWITNESS
&& coin->has_address_type_p2wpkh) {
prelen = address_prefix_bytes_len(coin->address_type_p2wpkh);
address_write_prefix_bytes(coin->address_type_p2wpkh, raw);
raw[prelen] = 0; // version byte
raw[prelen + 1] = 0; // always 0, see bip-142
ecdsa_get_pubkeyhash(node->public_key, raw + prelen + 2);
if (!base58_encode_check(raw, prelen + 22, resp->address, sizeof(resp->address))) {
fsm_sendFailure(FailureType_Failure_ActionCancelled, "Can't encode address");
layoutHome();
return;
}
is_segwit = 1;
} else if (msg->has_script_type
&& msg->script_type == InputScriptType_SPENDP2SHWITNESS
&& coin->has_address_type_p2sh) {
prelen = address_prefix_bytes_len(coin->address_type_p2sh);
raw[0] = 0; // version byte
raw[1] = 20; // push 20 bytes
ecdsa_get_pubkeyhash(node->public_key, raw + 2);
sha256_Raw(raw, 22, digest);
address_write_prefix_bytes(coin->address_type_p2sh, raw);
ripemd160(digest, 32, raw + prelen);
if (!base58_encode_check(raw, 21, resp->address, sizeof(resp->address))) {
fsm_sendFailure(FailureType_Failure_ActionCancelled, "Can't encode address");
layoutHome();
return;
}
is_segwit = 1;
} else {
ecdsa_get_address(node->public_key, coin->address_type, resp->address, sizeof(resp->address));
if (!compute_address(coin, msg->script_type, node, msg->has_multisig, &msg->multisig, resp->address, &is_segwit)) {
fsm_sendFailure(FailureType_Failure_ActionCancelled, "Can't encode address");
}
if (msg->has_show_display && msg->show_display) {