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Merge branch 'segwit'

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This commit is contained in:
Pavol Rusnak 2017-05-09 23:28:52 +02:00
commit f1db85948e
No known key found for this signature in database
GPG Key ID: 91F3B339B9A02A3D
9 changed files with 947 additions and 386 deletions
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23
firmware/fsm.c
View File

@ -31,6 +31,8 @@
#include "protect.h"
#include "pinmatrix.h"
#include "layout2.h"
#include "address.h"
#include "base58.h"
#include "ecdsa.h"
#include "reset.h"
#include "recovery.h"
@ -579,24 +581,9 @@ void fsm_msgGetAddress(GetAddress *msg)
if (!node) return;
hdnode_fill_public_key(node);
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;
}
uint8_t buf[32];
if (compile_script_multisig_hash(&(msg->multisig), buf) == 0) {
fsm_sendFailure(FailureType_Failure_Other, "Invalid multisig script");
layoutHome();
return;
}
ripemd160(buf, 32, buf + 1);
buf[0] = coin->address_type_p2sh; // multisig cointype
base58_encode_check(buf, 21, resp->address, sizeof(resp->address));
} else {
ecdsa_get_address(node->public_key, coin->address_type, resp->address, sizeof(resp->address));
layoutProgress("Computing address", 0);
if (!compute_address(coin, msg->script_type, node, msg->has_multisig, &msg->multisig, resp->address)) {
fsm_sendFailure(FailureType_Failure_ActionCancelled, "Can't encode address");
}
if (msg->has_show_display && msg->show_display) {

24
firmware/layout2.c
View File

@ -249,6 +249,7 @@ void layoutAddress(const char *address, const char *desc)
static unsigned char bitdata[QR_MAX_BITDATA];
int a, i, j;
int side = qr_encode(QR_LEVEL_M, 0, address, 0, bitdata);
int startx;
if (side > 0 && side <= 29) {
oledInvert(0, 0, (side + 2) * 2, (side + 2) * 2);
@ -263,6 +264,20 @@ void layoutAddress(const char *address, const char *desc)
}
}
}
startx = 68;
} else if (side > 0 && side <= 60) {
oledInvert(0, 0, (side + 3), (side + 3));
for (i = 0; i < side; i++) {
for (j = 0; j< side; j++) {
a = j * side + i;
if (bitdata[a / 8] & (1 << (7 - a % 8))) {
oledClearPixel(2 + i, 2 + j);
}
}
}
startx = side + 6;
} else {
startx = 0;
}
uint32_t addrlen = strlen(address);
@ -273,12 +288,11 @@ void layoutAddress(const char *address, const char *desc)
const char **str = split_message((const uint8_t *)address, addrlen, rowlen);
if (desc) {
oledDrawString(68, 0 * 9, desc);
oledDrawString(startx, 0 * 9, desc);
}
for (i = 0; i < 4; i++) {
oledDrawString(startx, (i+1) * 9 + 4, str[i]);
}
oledDrawString(68, 1 * 9 + 4, str[0]);
oledDrawString(68, 2 * 9 + 4, str[1]);
oledDrawString(68, 3 * 9 + 4, str[2]);
oledDrawString(68, 4 * 9 + 4, str[3]);
static const char *btnYes = "Continue";
oledDrawString(OLED_WIDTH - fontCharWidth('\x06') - 1, OLED_HEIGHT - 8, "\x06");

2
firmware/protob/messages.options
View File

@ -33,7 +33,7 @@ PublicKey.xpub max_size:113
GetAddress.address_n max_count:8
GetAddress.coin_name max_size:17
Address.address max_size:41
Address.address max_size:60
EthereumGetAddress.address_n max_count:8
EthereumAddress.address max_size:20

4
firmware/protob/messages.pb.h
View File

@ -127,7 +127,7 @@ typedef struct _WipeDevice {
} WipeDevice;
typedef struct _Address {
char address[41];
char address[60];
} Address;
typedef struct {
@ -1215,7 +1215,7 @@ extern const pb_field_t DebugLinkFlashErase_fields[2];
#define PublicKey_size (121 + HDNodeType_size)
#define GetAddress_size (81 + MultisigRedeemScriptType_size)
#define EthereumGetAddress_size 50
#define Address_size 43
#define Address_size 62
#define EthereumAddress_size 22
#define WipeDevice_size 0
#define LoadDevice_size (326 + HDNodeType_size)

2
firmware/protob/types.options
View File

@ -12,7 +12,7 @@ TxInputType.address_n max_count:8
TxInputType.prev_hash max_size:32
TxInputType.script_sig max_size:1650
TxOutputType.address max_size:41
TxOutputType.address max_size:54
TxOutputType.address_n max_count:8
TxOutputType.op_return_data max_size:80

6
firmware/protob/types.pb.h
View File

@ -246,7 +246,7 @@ typedef struct {
typedef struct _TxOutputType {
bool has_address;
char address[41];
char address[54];
size_t address_n_count;
uint32_t address_n[8];
uint64_t amount;
@ -409,9 +409,9 @@ extern const pb_field_t IdentityType_fields[7];
#define CoinType_size 113
#define MultisigRedeemScriptType_size 3741
#define TxInputType_size 5508
#define TxOutputType_size 3934
#define TxOutputType_size 3947
#define TxOutputBinType_size 534
#define TransactionType_size 11042
#define TransactionType_size 11055
#define TxRequestDetailsType_size 52
#define TxRequestSerializedType_size 2132
#define IdentityType_size 416

911
firmware/signing.c
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File diff suppressed because it is too large Load Diff

350
firmware/transaction.c
View File

@ -32,6 +32,8 @@
#include "messages.pb.h"
#include "types.pb.h"
static const uint8_t segwit_header[2] = {0,1};
uint32_t op_push(uint32_t i, uint8_t *out) {
if (i < 0x4C) {
out[0] = i & 0xFF;
@ -56,95 +58,118 @@ uint32_t op_push(uint32_t i, uint8_t *out) {
return 5;
}
bool compute_address(const CoinType *coin,
InputScriptType script_type,
const HDNode *node,
bool has_multisig, const MultisigRedeemScriptType *multisig,
char address[MAX_ADDR_SIZE]) {
uint8_t raw[32];
uint8_t digest[MAX_ADDR_RAW_SIZE];
size_t prelen;
if (has_multisig) {
if (cryptoMultisigPubkeyIndex(multisig, node->public_key) < 0) {
return 0;
}
if (compile_script_multisig_hash(multisig, digest) == 0) {
return 0;
}
if (script_type == InputScriptType_SPENDWITNESS) {
// segwit p2wsh: script hash is single sha256
if (!coin->has_segwit || !coin->segwit) {
return 0;
}
if (!coin->has_address_type_p2wsh) {
return 0;
}
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);
if (!base58_encode_check(raw, prelen + 34, address, MAX_ADDR_SIZE)) {
return 0;
}
} else if (script_type == InputScriptType_SPENDP2SHWITNESS) {
// segwit p2wsh encapsuled in p2sh address
if (!coin->has_segwit || !coin->segwit) {
return 0;
}
if (!coin->has_address_type_p2sh) {
return 0;
}
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_p2sh);
address_write_prefix_bytes(coin->address_type_p2sh, raw);
ripemd160(digest, 32, raw + prelen);
if (!base58_encode_check(raw, prelen + 20, address, MAX_ADDR_SIZE)) {
return 0;
}
} 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);
if (!base58_encode_check(raw, prelen + 20, address, MAX_ADDR_SIZE)) {
return 0;
}
}
} else if (script_type == InputScriptType_SPENDWITNESS) {
// segwit p2wpkh: pubkey hash is ripemd160 of sha256
if (!coin->has_segwit || !coin->segwit) {
return 0;
}
if (!coin->has_address_type_p2wpkh) {
return 0;
}
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, address, MAX_ADDR_SIZE)) {
return 0;
}
} else if (script_type == InputScriptType_SPENDP2SHWITNESS) {
// segwit p2wpkh embedded in p2sh
if (!coin->has_segwit || !coin->segwit) {
return 0;
}
if (!coin->has_address_type_p2sh) {
return 0;
}
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, prelen + 20, address, MAX_ADDR_SIZE)) {
return 0;
}
} else {
ecdsa_get_address(node->public_key, coin->address_type, address, MAX_ADDR_SIZE);
}
return 1;
}
int compile_output(const CoinType *coin, const HDNode *root, TxOutputType *in, TxOutputBinType *out, bool needs_confirm)
{
memset(out, 0, sizeof(TxOutputBinType));
out->amount = in->amount;
uint8_t addr_raw[MAX_ADDR_RAW_SIZE];
if (in->script_type == OutputScriptType_PAYTOADDRESS) {
// address_n provided-> change address -> calculate from address_n
if (in->address_n_count > 0) {
HDNode node;
memcpy(&node, root, sizeof(HDNode));
if (hdnode_private_ckd_cached(&node, in->address_n, in->address_n_count, NULL) == 0) {
return 0;
}
layoutProgressUpdate(true);
hdnode_get_address_raw(&node, coin->address_type, addr_raw);
} else
if (in->has_address) { // address provided -> regular output
if (needs_confirm) {
layoutConfirmOutput(coin, in);
if (!protectButton(ButtonRequestType_ButtonRequest_ConfirmOutput, false)) {
return -1;
}
}
if (!ecdsa_address_decode(in->address, coin->address_type, addr_raw)) {
return 0;
}
} else { // does not have address_n neither address -> error
return 0;
}
out->script_pubkey.bytes[0] = 0x76; // OP_DUP
out->script_pubkey.bytes[1] = 0xA9; // OP_HASH_160
out->script_pubkey.bytes[2] = 0x14; // pushing 20 bytes
memcpy(out->script_pubkey.bytes + 3, addr_raw + address_prefix_bytes_len(coin->address_type), 20);
out->script_pubkey.bytes[23] = 0x88; // OP_EQUALVERIFY
out->script_pubkey.bytes[24] = 0xAC; // OP_CHECKSIG
out->script_pubkey.size = 25;
return 25;
}
if (in->script_type == OutputScriptType_PAYTOSCRIPTHASH) {
if (!in->has_address || !ecdsa_address_decode(in->address, coin->address_type_p2sh, addr_raw)) {
return 0;
}
if (needs_confirm) {
layoutConfirmOutput(coin, in);
if (!protectButton(ButtonRequestType_ButtonRequest_ConfirmOutput, false)) {
return -1;
}
}
out->script_pubkey.bytes[0] = 0xA9; // OP_HASH_160
out->script_pubkey.bytes[1] = 0x14; // pushing 20 bytes
memcpy(out->script_pubkey.bytes + 2, addr_raw + address_prefix_bytes_len(coin->address_type_p2sh), 20);
out->script_pubkey.bytes[22] = 0x87; // OP_EQUAL
out->script_pubkey.size = 23;
return 23;
}
if (in->script_type == OutputScriptType_PAYTOMULTISIG) {
uint8_t buf[32];
size_t prefix_bytes = address_prefix_bytes_len(coin->address_type_p2sh);
if (!in->has_multisig) {
return 0;
}
if (compile_script_multisig_hash(&(in->multisig), buf) == 0) {
return 0;
}
address_write_prefix_bytes(coin->address_type_p2sh, addr_raw);
ripemd160(buf, 32, addr_raw + prefix_bytes);
if (needs_confirm) {
base58_encode_check(addr_raw, prefix_bytes + 20, in->address, sizeof(in->address));
layoutConfirmOutput(coin, in);
if (!protectButton(ButtonRequestType_ButtonRequest_ConfirmOutput, false)) {
return -1;
}
}
out->script_pubkey.bytes[0] = 0xA9; // OP_HASH_160
out->script_pubkey.bytes[1] = 0x14; // pushing 20 bytes
memcpy(out->script_pubkey.bytes + 2, addr_raw + prefix_bytes, 20);
out->script_pubkey.bytes[22] = 0x87; // OP_EQUAL
out->script_pubkey.size = 23;
return 23;
}
size_t addr_raw_len;
if (in->script_type == OutputScriptType_PAYTOOPRETURN) {
if (in->amount != 0) return 0; // only 0 satoshi allowed for OP_RETURN
// only 0 satoshi allowed for OP_RETURN
if (in->amount != 0) {
return 0; // failed to compile output
}
uint32_t r = 0;
out->script_pubkey.bytes[0] = 0x6A; r++; // OP_RETURN
r += op_push(in->op_return_data.size, out->script_pubkey.bytes + r);
@ -153,7 +178,85 @@ int compile_output(const CoinType *coin, const HDNode *root, TxOutputType *in, T
return r;
}
return 0;
if (in->address_n_count > 0) {
HDNode node;
InputScriptType input_script_type;
switch (in->script_type) {
case OutputScriptType_PAYTOADDRESS:
input_script_type = InputScriptType_SPENDADDRESS;
break;
case OutputScriptType_PAYTOMULTISIG:
input_script_type = InputScriptType_SPENDMULTISIG;
break;
case OutputScriptType_PAYTOWITNESS:
input_script_type = InputScriptType_SPENDWITNESS;
break;
case OutputScriptType_PAYTOP2SHWITNESS:
input_script_type = InputScriptType_SPENDP2SHWITNESS;
break;
default:
return 0; // failed to compile output
}
memcpy(&node, root, sizeof(HDNode));
if (hdnode_private_ckd_cached(&node, in->address_n, in->address_n_count, NULL) == 0) {
return 0; // failed to compile output
}
hdnode_fill_public_key(&node);
if (!compute_address(coin, input_script_type, &node,
in->has_multisig, &in->multisig,
in->address)) {
return 0; // failed to compile output
}
} else if (!in->has_address) {
return 0; // failed to compile output
}
addr_raw_len = base58_decode_check(in->address, addr_raw, MAX_ADDR_RAW_SIZE);
size_t prefix_len;
if (address_check_prefix(addr_raw, coin->address_type) // p2pkh
&& addr_raw_len == 20 + (prefix_len = address_prefix_bytes_len(coin->address_type))) {
out->script_pubkey.bytes[0] = 0x76; // OP_DUP
out->script_pubkey.bytes[1] = 0xA9; // OP_HASH_160
out->script_pubkey.bytes[2] = 0x14; // pushing 20 bytes
memcpy(out->script_pubkey.bytes + 3, addr_raw + prefix_len, 20);
out->script_pubkey.bytes[23] = 0x88; // OP_EQUALVERIFY
out->script_pubkey.bytes[24] = 0xAC; // OP_CHECKSIG
out->script_pubkey.size = 25;
} else if (address_check_prefix(addr_raw, coin->address_type_p2sh) // p2sh
&& addr_raw_len == 20 + (prefix_len = address_prefix_bytes_len(coin->address_type_p2sh))) {
out->script_pubkey.bytes[0] = 0xA9; // OP_HASH_160
out->script_pubkey.bytes[1] = 0x14; // pushing 20 bytes
memcpy(out->script_pubkey.bytes + 2, addr_raw + prefix_len, 20);
out->script_pubkey.bytes[22] = 0x87; // OP_EQUAL
out->script_pubkey.size = 23;
} else if (address_check_prefix(addr_raw, coin->address_type_p2wpkh)
&& addr_raw_len == 22 + (prefix_len = address_prefix_bytes_len(coin->address_type_p2wpkh))
&& addr_raw[prefix_len] == 0 && addr_raw[prefix_len + 1] == 0) { // p2wpkh v0
out->script_pubkey.bytes[0] = 0x00; // version 0
out->script_pubkey.bytes[1] = 0x14; // pushing 20 bytes
memcpy(out->script_pubkey.bytes + 2, addr_raw + prefix_len + 2, 20);
out->script_pubkey.size = 22;
} else if (address_check_prefix(addr_raw, coin->address_type_p2wsh)
&& addr_raw_len == 34 + (prefix_len = address_prefix_bytes_len(coin->address_type_p2wsh))
&& addr_raw[prefix_len] == 0 && addr_raw[prefix_len + 1] == 0) { // p2wsh v0
out->script_pubkey.bytes[0] = 0x00; // version 0
out->script_pubkey.bytes[1] = 0x20; // pushing 32 bytes
memcpy(out->script_pubkey.bytes + 2, addr_raw + prefix_len + 2, 32);
out->script_pubkey.size = 34;
} else {
return 0;
}
if (needs_confirm) {
layoutConfirmOutput(coin, in);
if (!protectButton(ButtonRequestType_ButtonRequest_ConfirmOutput, false)) {
return -1; // user aborted
}
}
return out->script_pubkey.size;
}
uint32_t compile_script_sig(uint32_t address_type, const uint8_t *pubkeyhash, uint8_t *out)
@ -259,16 +362,64 @@ uint32_t serialize_script_multisig(const MultisigRedeemScriptType *multisig, uin
// tx methods
uint32_t tx_prevout_hash(SHA256_CTX *ctx, const TxInputType *input)
{
int i;
for (i = 0; i < 32; i++) {
sha256_Update(ctx, &(input->prev_hash.bytes[31 - i]), 1);
}
sha256_Update(ctx, (const uint8_t *)&input->prev_index, 4);
return 36;
}
uint32_t tx_script_hash(SHA256_CTX *ctx, uint32_t size, const uint8_t *data)
{
int r = ser_length_hash(ctx, size);
sha256_Update(ctx, data, size);
return r + size;
}
uint32_t tx_sequence_hash(SHA256_CTX *ctx, const TxInputType *input)
{
sha256_Update(ctx, (const uint8_t *)&input->sequence, 4);
return 4;
}
uint32_t tx_output_hash(SHA256_CTX *ctx, const TxOutputBinType *output)
{
uint32_t r = 0;
sha256_Update(ctx, (const uint8_t *)&output->amount, 8); r += 8;
r += tx_script_hash(ctx, output->script_pubkey.size, output->script_pubkey.bytes);
return r;
}
uint32_t tx_serialize_script(uint32_t size, const uint8_t *data, uint8_t *out)
{
int r = ser_length(size, out);
memcpy(out + r, data, size);
return r + size;
}
uint32_t tx_serialize_header(TxStruct *tx, uint8_t *out)
{
int r = 4;
memcpy(out, &(tx->version), 4);
return 4 + ser_length(tx->inputs_len, out + 4);
if (tx->is_segwit) {
memcpy(out + r, segwit_header, 2);
r += 2;
}
return r + ser_length(tx->inputs_len, out + r);
}
uint32_t tx_serialize_header_hash(TxStruct *tx)
{
int r = 4;
sha256_Update(&(tx->ctx), (const uint8_t *)&(tx->version), 4);
return 4 + ser_length_hash(&(tx->ctx), tx->inputs_len);
if (tx->is_segwit) {
sha256_Update(&(tx->ctx), segwit_header, 2);
r += 2;
}
return r + ser_length_hash(&(tx->ctx), tx->inputs_len);
}
uint32_t tx_serialize_input(TxStruct *tx, const TxInputType *input, uint8_t *out)
@ -287,8 +438,7 @@ uint32_t tx_serialize_input(TxStruct *tx, const TxInputType *input, uint8_t *out
}
r += 32;
memcpy(out + r, &input->prev_index, 4); r += 4;
r += ser_length(input->script_sig.size, out + r);
memcpy(out + r, input->script_sig.bytes, input->script_sig.size); r += input->script_sig.size;
r += tx_serialize_script(input->script_sig.size, input->script_sig.bytes, out + r);
memcpy(out + r, &input->sequence, 4); r += 4;
tx->have_inputs++;
@ -299,7 +449,6 @@ uint32_t tx_serialize_input(TxStruct *tx, const TxInputType *input, uint8_t *out
uint32_t tx_serialize_input_hash(TxStruct *tx, const TxInputType *input)
{
int i;
if (tx->have_inputs >= tx->inputs_len) {
// already got all inputs
return 0;
@ -308,14 +457,9 @@ uint32_t tx_serialize_input_hash(TxStruct *tx, const TxInputType *input)
if (tx->have_inputs == 0) {
r += tx_serialize_header_hash(tx);
}
for (i = 0; i < 32; i++) {
sha256_Update(&(tx->ctx), &(input->prev_hash.bytes[31 - i]), 1);
}
r += 32;
sha256_Update(&(tx->ctx), (const uint8_t *)&input->prev_index, 4); r += 4;
r += ser_length_hash(&(tx->ctx), input->script_sig.size);
sha256_Update(&(tx->ctx), input->script_sig.bytes, input->script_sig.size); r += input->script_sig.size;
sha256_Update(&(tx->ctx), (const uint8_t *)&input->sequence, 4); r += 4;
r += tx_prevout_hash(&(tx->ctx), input);
r += tx_script_hash(&(tx->ctx), input->script_sig.size, input->script_sig.bytes);
r += tx_sequence_hash(&(tx->ctx), input);
tx->have_inputs++;
tx->size += r;
@ -372,10 +516,10 @@ uint32_t tx_serialize_output(TxStruct *tx, const TxOutputBinType *output, uint8_
r += tx_serialize_middle(tx, out + r);
}
memcpy(out + r, &output->amount, 8); r += 8;
r += ser_length(output->script_pubkey.size, out + r);
memcpy(out + r, output->script_pubkey.bytes, output->script_pubkey.size); r+= output->script_pubkey.size;
r += tx_serialize_script(output->script_pubkey.size, output->script_pubkey.bytes, out + r);
tx->have_outputs++;
if (tx->have_outputs == tx->outputs_len) {
if (tx->have_outputs == tx->outputs_len
&& !tx->is_segwit) {
r += tx_serialize_footer(tx, out + r);
}
tx->size += r;
@ -396,11 +540,10 @@ uint32_t tx_serialize_output_hash(TxStruct *tx, const TxOutputBinType *output)
if (tx->have_outputs == 0) {
r += tx_serialize_middle_hash(tx);
}
sha256_Update(&(tx->ctx), (const uint8_t *)&output->amount, 8); r += 8;
r += ser_length_hash(&(tx->ctx), output->script_pubkey.size);
sha256_Update(&(tx->ctx), output->script_pubkey.bytes, output->script_pubkey.size); r+= output->script_pubkey.size;
r += tx_output_hash(&(tx->ctx), output);
tx->have_outputs++;
if (tx->have_outputs == tx->outputs_len) {
if (tx->have_outputs == tx->outputs_len
&& !tx->is_segwit) {
r += tx_serialize_footer_hash(tx);
}
tx->size += r;
@ -439,6 +582,7 @@ void tx_init(TxStruct *tx, uint32_t inputs_len, uint32_t outputs_len, uint32_t v
tx->extra_data_len = extra_data_len;
tx->extra_data_received = 0;
tx->size = 0;
tx->is_segwit = false;
sha256_Init(&(tx->ctx));
}

11
firmware/transaction.h
View File

@ -32,7 +32,7 @@ typedef struct {
uint32_t version;
uint32_t lock_time;
bool add_hash_type;
bool add_hash_type, is_segwit;
uint32_t have_inputs;
uint32_t have_outputs;
@ -45,12 +45,21 @@ typedef struct {
SHA256_CTX ctx;
} TxStruct;
bool compute_address(const CoinType *coin, InputScriptType script_type, const HDNode *node, bool has_multisig, const MultisigRedeemScriptType *multisig, char address[MAX_ADDR_SIZE]);
uint32_t compile_script_sig(uint32_t address_type, const uint8_t *pubkeyhash, uint8_t *out);
uint32_t compile_script_multisig(const MultisigRedeemScriptType *multisig, uint8_t *out);
uint32_t compile_script_multisig_hash(const MultisigRedeemScriptType *multisig, uint8_t *hash);
uint32_t serialize_script_sig(const uint8_t *signature, uint32_t signature_len, const uint8_t *pubkey, uint32_t pubkey_len, uint8_t *out);
uint32_t serialize_script_multisig(const MultisigRedeemScriptType *multisig, uint8_t *out);
int compile_output(const CoinType *coin, const HDNode *root, TxOutputType *in, TxOutputBinType *out, bool needs_confirm);
uint32_t tx_prevout_hash(SHA256_CTX *ctx, const TxInputType *input);
uint32_t tx_script_hash(SHA256_CTX *ctx, uint32_t size, const uint8_t *data);
uint32_t tx_sequence_hash(SHA256_CTX *ctx, const TxInputType *input);
uint32_t tx_output_hash(SHA256_CTX *ctx, const TxOutputBinType *output);
uint32_t tx_serialize_script(uint32_t size, const uint8_t *data, uint8_t *out);
uint32_t tx_serialize_footer(TxStruct *tx, uint8_t *out);
uint32_t tx_serialize_input(TxStruct *tx, const TxInputType *input, uint8_t *out);
uint32_t tx_serialize_output(TxStruct *tx, const TxOutputBinType *output, uint8_t *out);