uint32_t CBTransactionOutputSerialise(CBTransactionOutput * self){
CBByteArray * bytes = CBGetMessage(self)->bytes;
if (NOT bytes) {
CBLogError("Attempting to serialise a CBTransactionInput with no bytes.");
return 0;
}
if (NOT self->scriptObject){
CBLogError("Attempting to serialise a CBTransactionOutput without scriptObject.");
return 0;
}
CBVarInt scriptLen = CBVarIntFromUInt64(CBGetByteArray(self->scriptObject)->length);
uint32_t reqLen = 8 + scriptLen.size + CBGetByteArray(self->scriptObject)->length;
if (bytes->length < reqLen) {
CBLogError("Attempting to serialise a CBTransactionOutput with less bytes than required. %i < %i", bytes->length, reqLen);
return 0;
}
// Serialise data into the CBByteArray and rereference objects to this CBByteArray to save memory.
CBByteArraySetInt64(bytes, 0, self->value);
CBVarIntEncode(bytes, 8, scriptLen);
CBByteArrayCopyByteArray(bytes, 8 + scriptLen.size, CBGetByteArray(self->scriptObject));
CBByteArrayChangeReference(CBGetByteArray(self->scriptObject), bytes, 8 + scriptLen.size);
// Ensure length is correct
bytes->length = reqLen;
// Is serialised.
CBGetMessage(self)->serialised = true;
return reqLen;
}
uint32_t CBTransactionInputSerialise(CBTransactionInput * self){
CBByteArray * bytes = CBGetMessage(self)->bytes;
if (NOT bytes) {
CBGetMessage(self)->onErrorReceived(CB_ERROR_MESSAGE_SERIALISATION_NULL_BYTES,"Attempting to serialise a CBTransactionInput with no bytes.");
return 0;
}
if (NOT self->prevOut.hash){
CBGetMessage(self)->onErrorReceived(CB_ERROR_MESSAGE_SERIALISATION_BAD_DATA,"Attempting to serialise a CBTransactionInput without prevOut.hash.");
return 0;
}
if (NOT self->scriptObject){
CBGetMessage(self)->onErrorReceived(CB_ERROR_MESSAGE_SERIALISATION_BAD_DATA,"Attempting to serialise a CBTransactionInput without scriptObject.");
return 0;
}
CBVarInt scriptLen = CBVarIntFromUInt64(CBGetByteArray(self->scriptObject)->length);
uint32_t reqLen = 40 + scriptLen.size + CBGetByteArray(self->scriptObject)->length;
if (bytes->length < reqLen) {
CBGetMessage(self)->onErrorReceived(CB_ERROR_MESSAGE_SERIALISATION_BAD_BYTES,"Attempting to serialise a CBTransactionInput with less bytes than required. %i < %i\n",bytes->length, reqLen);
return 0;
}
// Serialise data into the CBByteArray and rereference objects to this CBByteArray to save memory.
CBByteArrayCopyByteArray(bytes, 0, self->prevOut.hash);
CBByteArrayChangeReference(self->prevOut.hash, bytes, 0);
CBByteArraySetInt32(bytes, 32, self->prevOut.index);
CBVarIntEncode(bytes, 36, scriptLen);
CBByteArrayCopyByteArray(bytes, 36 + scriptLen.size,CBGetByteArray(self->scriptObject));
CBByteArrayChangeReference(CBGetByteArray(self->scriptObject),bytes,36 + scriptLen.size);
CBByteArraySetInt32(bytes,36 + scriptLen.size + CBGetByteArray(self->scriptObject)->length,self->sequence);
CBGetMessage(self)->serialised = true;
return reqLen;
}
CBByteArray * CBVersionChecksumBytesGetString(CBVersionChecksumBytes * self){
if (self->cachedString) {
// Return cached string
CBRetainObject(self->cachedString);
return self->cachedString;
}else{
// Make string
CBByteArrayReverseBytes(CBGetByteArray(self)); // Make this into little-endian
CBBigInt bytes;
CBBigIntAlloc(&bytes, CBGetByteArray(self)->length);
bytes.length = CBGetByteArray(self)->length;
memcpy(bytes.data, CBByteArrayGetData(CBGetByteArray(self)), bytes.length);
char * string = CBEncodeBase58(&bytes);
if (NOT string)
return NULL;
CBByteArray * str = CBNewByteArrayFromString(string, true);
if (NOT str) {
free(string);
return NULL;
}
CBByteArrayReverseBytes(CBGetByteArray(self)); // Now the string is got, back to big-endian.
if (self->cacheString) {
self->cachedString = str;
CBRetainObject(str); // Retain for this object.
}
return str; // No additional retain. Retained from constructor.
}
}
bool CBInitVersionChecksumBytesFromBytes(CBVersionChecksumBytes * self,uint8_t * bytes,uint32_t size,bool cacheString,void (*logError)(char *,...)) {
self->cacheString = cacheString;
self->cachedString = NULL;
if (NOT CBInitByteArrayWithData(CBGetByteArray(self), bytes, size, logError))
return false;
return true;
}
bool CBInitVersionChecksumBytesFromBytes(CBVersionChecksumBytes * self,uint8_t * bytes,uint32_t size,bool cacheString,CBEvents * events){
self->cacheString = cacheString;
self->cachedString = NULL;
if (NOT CBInitByteArrayWithData(CBGetByteArray(self), bytes, size, events))
return false;
return true;
}
CBByteArray * CBVersionChecksumBytesGetString(CBVersionChecksumBytes * self){
if (self->cachedString) {
// Return cached string
CBRetainObject(self->cachedString);
return self->cachedString;
}else{
// Make string
CBByteArrayReverseBytes(CBGetByteArray(self)); // Make this into little-endian
char * string = CBEncodeBase58(CBByteArrayGetData(CBGetByteArray(self)),CBGetByteArray(self)->length);
CBByteArray * str = CBNewByteArrayWithData((uint8_t *)string, strlen(string), CBGetByteArray(self)->events);
CBByteArrayReverseBytes(CBGetByteArray(self)); // Now the string is got, back to big-endian.
if (self->cacheString) {
self->cachedString = str;
CBRetainObject(str); // Retain for this object.
}
return str; // No additional retain. Retained from constructor.
}
}
bool CBInitVersionChecksumBytesFromString(CBVersionChecksumBytes * self,CBByteArray * string,bool cacheString,void (*logError)(char *,...)) {
// Cache string if needed
if (cacheString) {
self->cachedString = string;
CBRetainObject(string);
} else
self->cachedString = NULL;
self->cacheString = cacheString;
// Get bytes from string conversion
CBBigInt bytes;
CBBigIntAlloc(&bytes, 25); // 25 is the number of bytes for bitcoin addresses.
if (NOT CBDecodeBase58Checked(&bytes, (char *)CBByteArrayGetData(string), logError))
return false;
// Take over the bytes with the CBByteArray
if (NOT CBInitByteArrayWithData(CBGetByteArray(self), bytes.data, bytes.length, logError))
return false;
CBByteArrayReverseBytes(CBGetByteArray(self)); // CBBigInt is in little-endian. Conversion needed to make bitcoin address the right way.
return true;
}
bool CBInitVersionChecksumBytesFromString(CBVersionChecksumBytes * self,CBByteArray * string,bool cacheString,CBEvents * events){
// Cache string if needed
if (cacheString) {
self->cachedString = string;
CBRetainObject(string);
}else
self->cachedString = NULL;
self->cacheString = cacheString;
// Get bytes from string conversion
CBBigInt bytes = CBDecodeBase58Checked((char *)CBByteArrayGetData(string), events);
if (bytes.length == 1) {
return false;
}
// Take over the bytes with the CBByteArray
if (NOT CBInitByteArrayWithData(CBGetByteArray(self), bytes.data, bytes.length, events))
return false;
CBByteArrayReverseBytes(CBGetByteArray(self)); // CBBigInt is in little-endian. Conversion needed to make bitcoin address the right way.
return true;
}
CBGetHashReturn CBTransactionGetInputHashForSignature(void * vself, CBByteArray * prevOutSubScript, uint32_t input, CBSignType signType, uint8_t * hash){
CBTransaction * self= vself;
if (self->inputNum < input + 1) {
CBLogError("Receiving transaction hash to sign cannot be done for because the input index goes past the number of inputs.");
return CB_TX_HASH_BAD;
}
uint8_t last5Bits = (signType & 0x1f); // For some reason this is what the C++ client does.
CBVarInt prevOutputSubScriptVarInt = CBVarIntFromUInt64(prevOutSubScript->length);
uint32_t sizeOfData = 12 + prevOutSubScript->length + prevOutputSubScriptVarInt.size; // Version, lock time and the sign type make up 12 bytes.
if (signType & CB_SIGHASH_ANYONECANPAY) {
sizeOfData += 41; // Just this one input. 32 bytes for outPointerHash, 4 for outPointerIndex, 4 for sequence and one for the *inputNum* var int
}else{
sizeOfData += CBVarIntSizeOf(self->inputNum) + self->inputNum * 41 - 1; // All inputs with 1 byte var int except one.
}
if (last5Bits == CB_SIGHASH_NONE){
sizeOfData++; // Just for the CBVarInt and no outputs.
}else if ((signType & 0x1f) == CB_SIGHASH_SINGLE){
if (self->outputNum < input + 1) {
CBLogError("Receiving transaction hash to sign cannot be done for CB_SIGHASH_SINGLE because there are not enough outputs.");
return CB_TX_HASH_BAD;
}
sizeOfData += CBVarIntSizeOf(input + 1) + input * 9; // For outputs up to the input index
// The size for the output at the input index.
uint32_t len = CBGetByteArray(self->outputs[input]->scriptObject)->length;
sizeOfData += 8 + CBVarIntSizeOf(len) + len;
}else{ // All outputs. Default to SIGHASH_ALL
sizeOfData += CBVarIntSizeOf(self->outputNum);
for (uint32_t x = 0; x < self->outputNum; x++) {
uint32_t len = CBGetByteArray(self->outputs[x]->scriptObject)->length;
sizeOfData += 8 + CBVarIntSizeOf(len) + len;
}
}
CBByteArray * data = CBNewByteArrayOfSize(sizeOfData);
if (NOT data)
return CB_TX_HASH_ERR;
CBByteArraySetInt32(data, 0, self->version);
// Copy input data. Scripts are not copied for the inputs.
uint32_t cursor;
if (signType & CB_SIGHASH_ANYONECANPAY) {
CBVarIntEncode(data, 4, CBVarIntFromUInt64(1)); // Only the input the signature is for.
CBByteArrayCopyByteArray(data, 5, self->inputs[input]->prevOut.hash);
CBByteArraySetInt32(data, 37, self->inputs[input]->prevOut.index);
// Add prevOutSubScript
CBVarIntEncode(data, 41, prevOutputSubScriptVarInt);
cursor = 41 + prevOutputSubScriptVarInt.size;
CBByteArrayCopyByteArray(data, cursor, prevOutSubScript);
cursor += prevOutSubScript->length;
CBByteArraySetInt32(data, cursor, self->inputs[input]->sequence);
cursor += 4;
}else{
CBVarInt inputNum = CBVarIntFromUInt64(self->inputNum);
CBVarIntEncode(data, 4, inputNum);
cursor = 4 + inputNum.size;
for (uint32_t x = 0; x < self->inputNum; x++) {
CBByteArrayCopyByteArray(data, cursor, self->inputs[x]->prevOut.hash);
cursor += 32;
CBByteArraySetInt32(data, cursor, self->inputs[x]->prevOut.index);
cursor += 4;
// Add prevOutSubScript if the input is for the signature.
if (x == input) {
CBVarIntEncode(data, cursor, prevOutputSubScriptVarInt);
cursor += prevOutputSubScriptVarInt.size;
CBByteArrayCopyByteArray(data, cursor, prevOutSubScript);
cursor += prevOutSubScript->length;
}else{
CBVarIntEncode(data, cursor, CBVarIntFromUInt64(0));
cursor++;
}
if ((signType == CB_SIGHASH_NONE || signType == CB_SIGHASH_SINGLE) && x != input) {
CBByteArraySetInt32(data, cursor, 0);
}
else // SIGHASH_ALL or input index for signing sequence
CBByteArraySetInt32(data, cursor, self->inputs[x]->sequence);
cursor += 4;
}
}
// Copy output data
if (last5Bits == CB_SIGHASH_NONE){
CBVarInt varInt = CBVarIntFromUInt64(0);
CBVarIntEncode(data, cursor, varInt);
cursor++;
}else if (last5Bits == CB_SIGHASH_SINGLE){
CBVarInt varInt = CBVarIntFromUInt64(input + 1);
CBVarIntEncode(data, cursor, varInt);
cursor += varInt.size;
for (uint32_t x = 0; x < input; x++) {
CBByteArraySetInt64(data, cursor, CB_OUTPUT_VALUE_MINUS_ONE);
cursor += 8;
CBVarIntEncode(data, cursor, CBVarIntFromUInt64(0));
cursor++;
}
CBByteArraySetInt64(data, cursor, self->outputs[input]->value);
cursor += 8;
varInt = CBVarIntFromUInt64(CBGetByteArray(self->outputs[input]->scriptObject)->length);
CBVarIntEncode(data, cursor, varInt);
cursor += varInt.size;
CBByteArrayCopyByteArray(data, cursor, CBGetByteArray(self->outputs[input]->scriptObject));
cursor += varInt.val;
}else{ // SIGHASH_ALL
CBVarInt varInt = CBVarIntFromUInt64(self->outputNum);
CBVarIntEncode(data, cursor, varInt);
cursor += varInt.size;
for (uint32_t x = 0; x < self->outputNum; x++) {
CBByteArraySetInt64(data, cursor, self->outputs[x]->value);
cursor += 8;
varInt = CBVarIntFromUInt64(CBGetByteArray(self->outputs[x]->scriptObject)->length);
CBVarIntEncode(data, cursor, varInt);
cursor += varInt.size;
CBByteArrayCopyByteArray(data, cursor, CBGetByteArray(self->outputs[x]->scriptObject));
cursor += varInt.val;
}
}
// Set lockTime
CBByteArraySetInt32(data, cursor, self->lockTime);
CBByteArraySetInt32(data, cursor + 4, signType);
assert(sizeOfData == cursor + 8); // Must always be like this
uint8_t firstHash[32];
CBSha256(CBByteArrayGetData(data), sizeOfData, firstHash);
CBSha256(firstHash, 32, hash);
return CB_TX_HASH_OK;
}
uint8_t CBVersionChecksumBytesGetVersion(CBVersionChecksumBytes * self) {
return CBByteArrayGetByte(CBGetByteArray(self), 0);
}
void CBFreeVersionChecksumBytes(void * vself) {
CBVersionChecksumBytes * self = vself;
if (self->cachedString) CBReleaseObject(self->cachedString);
CBFreeByteArray(CBGetByteArray(self));
}
bool CBScriptExecute(CBScript * self,CBScriptStack * stack,CBDependencies * dependencies){
// This looks confusing but isn't too bad, trust me.
CBScriptStack altStack = CBNewEmptyScriptStack();
u_int16_t skipIfElseBlock = 0xffff; // Skips all instructions on or over this if/else level.
u_int16_t ifElseSize = 0; // Amount of if/else block levels
if (CBGetByteArray(self->program)->length > 10000)
return false; // Script is an illegal size.
for (u_int8_t opCount = 0;;opCount++) {
if (!(CBGetByteArray(self->program)->length - self->cursor))
break; // Reached end of program
if (opCount == 201) {
return false; // Too many Op codes
}
u_int8_t byte = CBGetByteArrayVT(self->program)->getByte(self->program,self->cursor);
self->cursor++;
// Control management for skipping
if (ifElseSize >= skipIfElseBlock) { // Skip when "ifElseSize" level is over or at "skipIfElseBlock"
if (byte == CB_SCRIPT_OP_ELSE && ifElseSize == skipIfElseBlock) {
skipIfElseBlock = 0xffff; // No more skipping
}else if (byte == CB_SCRIPT_OP_ENDIF){
if (ifElseSize == skipIfElseBlock) {
skipIfElseBlock = 0xffff; // No more skipping
}
ifElseSize--;
}else if (byte == CB_SCRIPT_OP_IF){
ifElseSize++;
}
}else{ // Execution for no skipping
if (!byte) {
// Push 0 onto stack
CBScriptStackItem item;
item.data = malloc(1);
item.length = 1;
item.data[0] = 0;
CBScriptStackPushItem(stack, item);
}else if (byte < 76){
// Check size
if ((CBGetByteArray(self->program)->length - self->cursor) < byte)
return false; // Not enough space.
// Push data the size of the value of the byte
CBScriptStackItem item;
item.data = malloc(byte);
item.length = byte;
memmove(item.data, CBGetByteArrayVT(self->program)->getData(self->program) + self->cursor, byte);
CBScriptStackPushItem(stack, item);
self->cursor += byte;
}else if (byte < 79){
// Push data with the length of bytes represented by the next bytes
u_int32_t amount;
if (byte == CB_SCRIPT_OP_PUSHDATA1){
amount = CBGetByteArrayVT(self->program)->getByte(self->program,self->cursor);
self->cursor++;
}else if (byte == CB_SCRIPT_OP_PUSHDATA2){
amount = CBGetByteArrayVT(self->program)->readUInt16(self->program,self->cursor);
self->cursor += 2;
}else{
amount = CBGetByteArrayVT(self->program)->readUInt32(self->program,self->cursor);
self->cursor += 4;
}
// Check limitation
if (amount > 520)
return false; // Size of data to push is illegal.
// Check size
if ((CBGetByteArray(self->program)->length - self->cursor) < amount)
return false; // Not enough space.
CBScriptStackItem item;
item.data = malloc(amount);
item.length = amount;
memmove(item.data, CBGetByteArrayVT(self->program)->getData(self->program) + self->cursor, amount);
CBScriptStackPushItem(stack, item);
self->cursor += amount;
}else if (byte == CB_SCRIPT_OP_1NEGATE){
// Push -1 onto the stack
CBScriptStackItem item;
item.data = malloc(1);
item.length = 1;
item.data[0] = 0x81; // 10000001 Not like normal signed integers, most significant bit applies sign, making the rest of the bits take away from zero.
CBScriptStackPushItem(stack, item);
}else if (byte < 97){
// Push a number onto the stack
CBScriptStackItem item;
item.data = malloc(1);
item.length = 1;
item.data[0] = byte - CB_SCRIPT_OP_1 + 1;
CBScriptStackPushItem(stack, item);
}else if (byte == CB_SCRIPT_OP_NOP){
// Nothing...
}else if (byte == CB_SCRIPT_OP_IF
|| byte == CB_SCRIPT_OP_NOTIF){
// If top of stack is true, continue, else goto OP_ELSE or OP_ENDIF.
ifElseSize++;
if (!stack->length)
return false; // Stack empty
bool res = CBScriptStackEvalBool(stack);
if ((res && byte == CB_SCRIPT_OP_IF)
|| (!res && byte == CB_SCRIPT_OP_NOTIF))
skipIfElseBlock = 0xffff;
else
skipIfElseBlock = ifElseSize; // Is skipping on this level until OP_ELSE or OP_ENDIF is reached on this level
// Remove top stack item
CBScriptStackRemoveItem(stack);
}else if (byte == CB_SCRIPT_OP_ELSE){
if (!ifElseSize)
return false; // OP_ELSE on lowest level not possible
skipIfElseBlock = ifElseSize; // Begin skipping
}else if (byte == CB_SCRIPT_OP_ENDIF){
if (!ifElseSize)
return false; // OP_ENDIF on lowest level not possible
ifElseSize--; // Lower level
}else if (byte == CB_SCRIPT_OP_VERIFY){
if (!stack->length)
return false; // Stack empty
if (CBScriptStackEvalBool(stack))
// Remove top stack item
CBScriptStackRemoveItem(stack);
else
return false; // Failed verification
}else if (byte == CB_SCRIPT_OP_RETURN){
return false; // Failed verification with OP_RETURN.
}else if (byte == CB_SCRIPT_OP_TOALTSTACK){
if (!stack->length)
return false; // Stack empty
CBScriptStackPushItem(&altStack, CBScriptStackPopItem(stack));
}else if (byte == CB_SCRIPT_OP_FROMALTSTACK){
if (!altStack.length)
return false; // Alternative stack empty
CBScriptStackPushItem(stack, CBScriptStackPopItem(&altStack));
}else if (byte == CB_SCRIPT_OP_IFDUP){
if (!stack->length)
return false; // Stack empty
if (CBScriptStackEvalBool(stack))
//Duplicate top stack item
CBScriptStackPushItem(stack, CBScriptStackCopyItem(stack,0));
}else if (byte == CB_SCRIPT_OP_DEPTH){
CBScriptStackItem item;
item.data = malloc(2);
item.length = 2;
item.data[0] = stack->length >> 8;
item.data[1] = stack->length;
CBScriptStackPushItem(stack, item);
}else if (byte == CB_SCRIPT_OP_DROP){
if (!stack->length)
return false; // Stack empty
CBScriptStackRemoveItem(stack);
}else if (byte == CB_SCRIPT_OP_DUP){
if (!stack->length)
return false; // Stack empty
//Duplicate top stack item
CBScriptStackPushItem(stack, CBScriptStackCopyItem(stack,0));
}else if (byte == CB_SCRIPT_OP_NIP){
if (stack->length < 2)
return false; // Stack needs 2 or more elements.
// Remove second from top item.
stack->length--;
free(stack->elements[stack->length-1].data);
stack->elements[stack->length-1] = stack->elements[stack->length]; // Top item moves down
stack->elements = realloc(stack->elements, sizeof(*stack->elements)*stack->length);
}else if (byte == CB_SCRIPT_OP_OVER){
if (stack->length < 2)
return false; // Stack needs 2 or more elements.
CBScriptStackPushItem(stack, CBScriptStackCopyItem(stack,1)); // Copies second from top and pushes it on the top.
}else if (byte == CB_SCRIPT_OP_PICK || byte == CB_SCRIPT_OP_ROLL){
if (stack->length < 2)
return false; // Stack needs 2 or more elements.
CBScriptStackItem item = CBScriptStackPopItem(stack);
if (item.length > 4)
return false; // Protocol does not except integers more than 32 bits.
if (item.data[item.length-1] > 0x80) // Negative
return false; // Must be positive
u_int32_t i = item.data[0] & (item.data[1] << 8) & (item.data[2] << 16) & (item.data[3] << 24);
if (i >= stack->length)
return false; // Must be smaller than stack size
if (byte == CB_SCRIPT_OP_PICK) {
// Copy element
CBScriptStackPushItem(stack, CBScriptStackCopyItem(stack,i));
}else{ // CB_SCRIPT_OP_ROLL
// Move element.
CBScriptStackItem temp = stack->elements[stack->length-i-1];
for (u_int32_t x = 0; x < i; x++) // Move other elements down
stack->elements[stack->length-i+x-1] = stack->elements[stack->length-i+x];
stack->elements[stack->length] = temp;
}
}else if (byte == CB_SCRIPT_OP_ROT){
if (stack->length < 3)
return false; // Stack needs 3 or more elements.
// Rotate top three elements to the left.
CBScriptStackItem temp = stack->elements[stack->length-3];
stack->elements[stack->length-3] = stack->elements[stack->length-2];
stack->elements[stack->length-2] = stack->elements[stack->length-1];
stack->elements[stack->length-1] = temp;
}else if (byte == CB_SCRIPT_OP_SWAP){
if (stack->length < 2)
return false; // Stack needs 2 or more elements.
CBScriptStackItem temp = stack->elements[stack->length-2];
stack->elements[stack->length-2] = stack->elements[stack->length-1];
stack->elements[stack->length-1] = temp;
}else if (byte == CB_SCRIPT_OP_TUCK){
if (stack->length < 2)
return false; // Stack needs 2 or more elements.
CBScriptStackItem item = CBScriptStackCopyItem(stack, 0);
// New copy three down.
stack->length++;
stack->elements = realloc(stack->elements, sizeof(*stack->elements)*stack->length);
stack->elements[stack->length-1] = stack->elements[stack->length-2];
stack->elements[stack->length-2] = stack->elements[stack->length-3];
stack->elements[stack->length-3] = item;
}else if (byte == CB_SCRIPT_OP_2DROP){
if (stack->length < 2)
return false; // Stack needs 2 or more elements.
CBScriptStackRemoveItem(stack);
CBScriptStackRemoveItem(stack);
}else if (byte == CB_SCRIPT_OP_2DUP){
if (stack->length < 2)
return false; // Stack needs 2 or more elements.
CBScriptStackPushItem(stack, CBScriptStackCopyItem(stack,1));
CBScriptStackPushItem(stack, CBScriptStackCopyItem(stack,1));
}else if (byte == CB_SCRIPT_OP_3DUP){
if (stack->length < 3)
return false; // Stack needs 3 or more elements.
CBScriptStackPushItem(stack, CBScriptStackCopyItem(stack,2));
CBScriptStackPushItem(stack, CBScriptStackCopyItem(stack,2));
CBScriptStackPushItem(stack, CBScriptStackCopyItem(stack,2));
}else if (byte == CB_SCRIPT_OP_2OVER){
if (stack->length < 4)
return false; // Stack needs 4 or more elements.
CBScriptStackPushItem(stack, CBScriptStackCopyItem(stack,3));
CBScriptStackPushItem(stack, CBScriptStackCopyItem(stack,3));
}else if (byte == CB_SCRIPT_OP_2ROT){
if (stack->length < 6)
return false; // Stack needs 6 or more elements.
// Rotate top three pairs of elements to the left.
CBScriptStackItem temp = stack->elements[stack->length-6];
CBScriptStackItem temp2 = stack->elements[stack->length-5];
stack->elements[stack->length-6] = stack->elements[stack->length-4];
stack->elements[stack->length-5] = stack->elements[stack->length-3];
stack->elements[stack->length-4] = stack->elements[stack->length-2];
stack->elements[stack->length-3] = stack->elements[stack->length-1];
stack->elements[stack->length-2] = temp;
stack->elements[stack->length-1] = temp2;
}else if (byte == CB_SCRIPT_OP_2SWAP){
if (stack->length < 4)
return false; // Stack needs 4 or more elements.
CBScriptStackItem temp = stack->elements[stack->length-4];
CBScriptStackItem temp2 = stack->elements[stack->length-3];
stack->elements[stack->length-4] = stack->elements[stack->length-2];
stack->elements[stack->length-3] = stack->elements[stack->length-1];
stack->elements[stack->length-2] = temp;
stack->elements[stack->length-1] = temp2;
}else if (byte == CB_SCRIPT_OP_SIZE){
// ??? Does this match the protocol?
if (!stack->length)
return false; // Stack empty
u_int16_t len = stack->elements[stack->length-1].length;
CBScriptStackItem item;
if (len > 0x80) { // More than 0x80 so use two bytes as on a single byte it would be negative.
item.data = malloc(2);
item.length = 2;
item.data[0] = len >> 8;
item.data[1] = len;
}else{
int main(){
CBByteArray * walletKeyString = CBNewByteArrayFromString("xpub6DRhpXssnj7X6CwJgseK9oyFxSC8jk6nJz2SWkf5pjsQs12xv89Dfr627TtaZKkFbG6Aq23fmaNaf5KRo9iGfEXTTXvtd6gsXJTB8Sdah3B", false);
CBChecksumBytes * walletKeyData = CBNewChecksumBytesFromString(walletKeyString, false);
CBHDKey * cbkey = CBNewHDKeyFromData(CBByteArrayGetData(CBGetByteArray(walletKeyData)));
CBAddress * address = CBNewAddressFromRIPEMD160Hash(CBHDKeyGetHash(cbkey), CB_NETWORK_PRODUCTION, false);
CBByteArray * str = CBChecksumBytesGetString(CBGetChecksumBytes(address));
printf("%s\n", CBByteArrayGetData(str));
CBReleaseObject(address);
// Test type
if (CBHDKeyGetType(CB_HD_KEY_VERSION_PROD_PRIVATE) != CB_HD_KEY_TYPE_PRIVATE) {
printf("CB_HD_KEY_VERSION_PROD_PRIVATE TYPE FAIL\n");
return EXIT_FAILURE;
}
if (CBHDKeyGetType(CB_HD_KEY_VERSION_PROD_PUBLIC) != CB_HD_KEY_TYPE_PUBLIC) {
printf("CB_HD_KEY_VERSION_PROD_PUBLIC TYPE FAIL\n");
return EXIT_FAILURE;
}
if (CBHDKeyGetType(CB_HD_KEY_VERSION_TEST_PRIVATE) != CB_HD_KEY_TYPE_PRIVATE) {
printf("CB_HD_KEY_VERSION_TEST_PRIVATE TYPE FAIL\n");
return EXIT_FAILURE;
}
if (CBHDKeyGetType(CB_HD_KEY_VERSION_TEST_PUBLIC) != CB_HD_KEY_TYPE_PUBLIC) {
printf("CB_HD_KEY_VERSION_TEST_PUBLIC TYPE FAIL\n");
return EXIT_FAILURE;
}
// Test HMAC-SHA512
uint8_t hash[64];
CBHDKeyHmacSha512((uint8_t [37]){0x2f, 0xf7, 0xd6, 0x9f, 0x7a, 0x59, 0x0b, 0xb0, 0x5e, 0x68, 0xd1, 0xdc, 0x0f, 0xcf, 0x8d, 0xc2, 0x17, 0x59, 0xc9, 0x39, 0xbb, 0x6b, 0x9b, 0x02, 0x0f, 0x65, 0x5d, 0x53, 0x85, 0x3c, 0xb5, 0xc2, 0x14, 0x61, 0x4b, 0x24, 0x42}, (uint8_t [32]){0xa2, 0x55, 0x21, 0xe3, 0xc5, 0x5b, 0x65, 0xd1, 0xcf, 0x25, 0x4b, 0x6c, 0x85, 0x23, 0xdc, 0xbf, 0x89, 0x46, 0x8d, 0x1f, 0x09, 0x1f, 0x15, 0x87, 0x6b, 0xbb, 0xc7, 0xfd, 0xd5, 0x44, 0x28, 0x43}, hash);
if (memcmp(hash, (uint8_t [64]){0xfa, 0xa7, 0x9d, 0x85, 0xe0, 0xe4, 0x3d, 0xae, 0x8c, 0x3f, 0x99, 0xf0, 0x70, 0xdf, 0x97, 0x56, 0x2b, 0x3f, 0xbb, 0x17, 0x35, 0x20, 0xe0, 0x87, 0x32, 0xa6, 0x64, 0xca, 0xd4, 0x55, 0x0b, 0xbe, 0xc1, 0x11, 0xe5, 0xf8, 0x80, 0xdb, 0xb7, 0x3d, 0x67, 0x74, 0xbb, 0xc2, 0x9f, 0x67, 0xd9, 0x67, 0xaa, 0x10, 0xac, 0x60, 0x18, 0x90, 0x7f, 0x35, 0x53, 0xe3, 0x21, 0x38, 0xf6, 0x5b, 0xbe, 0x69}, 64) != 0) {
printf("HMAC FAIL\n");
return EXIT_FAILURE;
}
for (uint8_t x = 0; x < NUM_TEST_VECTORS; x++) {
// Deserialise private key
CBByteArray * masterString = CBNewByteArrayFromString(testVectors[x][0].privString, true);
CBChecksumBytes * masterData = CBNewChecksumBytesFromString(masterString, false);
CBReleaseObject(masterString);
CBHDKey * key = CBNewHDKeyFromData(CBByteArrayGetData(CBGetByteArray(masterData)));
CBReleaseObject(masterData);
checkKey(key, x, 0);
for (uint8_t y = 0; y < NUM_CHILDREN; y++) {
if (testVectors[x][y+1].childID.priv == false) {
// Derive public child and check public key is correct by address
CBHDKey * newKey = CBNewHDKey(false);
key->versionBytes = CB_HD_KEY_VERSION_PROD_PUBLIC;
CBHDKeyDeriveChild(key, testVectors[x][y+1].childID, newKey);
key->versionBytes = CB_HD_KEY_VERSION_PROD_PRIVATE;
CBAddress * address = CBNewAddressFromRIPEMD160Hash(CBHDKeyGetHash(newKey), CB_NETWORK_PRODUCTION, false);
CBByteArray * str = CBChecksumBytesGetString(CBGetChecksumBytes(address));
CBReleaseObject(address);
if (memcmp(CBByteArrayGetData(str), testVectors[x][y + 1].addr, 34) != 0) {
printf("ADDR FROM PUB FAIL AT %u - %u\n", x, y + 1);
exit(EXIT_FAILURE);
}
CBReleaseObject(str);
// Check serialisation of public key
uint8_t * keyData = malloc(82);
CBHDKeySerialise(newKey, keyData);
CBChecksumBytes * checksumBytes = CBNewChecksumBytesFromBytes(keyData, 82, false);
str = CBChecksumBytesGetString(checksumBytes);
CBReleaseObject(checksumBytes);
if (memcmp(CBByteArrayGetData(str), testVectors[x][y+1].pubString, 111) != 0) {
printf("PUBLIC KEY STRING FROM PUB FAIL AT %u - %u\n", x, y);
exit(EXIT_FAILURE);
}
CBReleaseObject(str);
free(newKey);
}
// Derive private child
CBHDKey * newKey = CBNewHDKey(true);
CBHDKeyDeriveChild(key, testVectors[x][y+1].childID, newKey);
free(key);
key = newKey;
checkKey(key, x, y+1);
}
free(key);
}
return EXIT_SUCCESS;
}
