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firmware: fix Zcash ZIP243 signing

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This commit is contained in:
Pavol Rusnak 2018-10-17 16:57:25 +02:00
parent 71e52e3520
commit ab9ea4bb54
No known key found for this signature in database
GPG Key ID: 91F3B339B9A02A3D
1 changed files with 13 additions and 3 deletions
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16
firmware/transaction.c
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@ -612,9 +612,19 @@ uint32_t tx_serialize_footer(TxStruct *tx, uint8_t *out)
{
memcpy(out, &(tx->lock_time), 4);
if (tx->overwintered) {
memcpy(out + 4, &(tx->expiry), 4);
out[8] = 0x00; // nJoinSplit
return 9;
if (tx->version == 3) {
memcpy(out + 4, &(tx->expiry), 4);
out[8] = 0x00; // nJoinSplit
return 9;
} else
if (tx->version == 4) {
memcpy(out + 4, &(tx->expiry), 4);
memset(out + 8, 0, 8); // valueBalance
out[16] = 0x00; // nShieldedSpend
out[17] = 0x00; // nShieldedOutput
out[18] = 0x00; // nJoinSplit
return 19;
}
}
if (tx->is_decred) {
memcpy(out + 4, &(tx->expiry), 4);