Ethereum: manually signing bitcoin transaction

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Ethereum: A step-by-step instructions for manual signing the Bitcoin transaction

In this turtoral, we guide you by cringing a manual signed Bitcoin Science with input and Two outputs, including one for chlings and op_Return data (output program tourn). We will all-doese our popular rabbit testing now cream.

The raw unprocessed transaction

A Bitcoin Transaction is Typically Processed in Series of Blocks that are a rheumered into a stack of “Block”. Each block containers several transactions, including inputs and outputs. Inthis example we have input and sputs of outputs: one’s op_Return data.

Here’s the raw is not signed transaction:

`Hex

200000000000000000000000000000000000000000

012345678901234569012

0101010101010101010101

0202020202020202020202020 Parliament 202020202020202020s202020202020 Sections 20202020 R this 2020202020202020 Pin

03030303030303030303030303

0404040404040404040404

050505050505050505050505

06060060606060606006

070707070707070707

08080808080808080

09090909090909

1001010101010101

1101111111111111111111111111111111

120121121212012121

130131301311131113

140141401444014

1501515015155

16016160016161

17017170171717

1801818018118

19019

The manual signing process

To manually sign them, we have to:

Create a new unsigned transaction with spoon inputs: one for changes and an OP_Return data.

Add the input transactions to them header.

Add the startering transactions (including the Change edition).

Sign the entrie transaction with a private key.

Here an example off how we can manually crate and sign this transaction:

`C



// Define ur inputs and outputs

not signed Char* input1 = "00000";

no -signed char* input2 = "0000";

unobstructed char* output cc = "123456789012

Unsigned Char* op_Retornachor = "op_Ret tourn_anchor";

// Create the Transction Header with thy inputs

no -signed char* txheader = new not-signed char [64];

txheader [0] = 1; // signature field (length)

txheader [1] = 2; // signature

txheader [2] = 3;

txheader [3] = 4;

txheader [4] = 5;

// Add the input transactions in the block header

unsigned char* inputs [] = {input1, input2};

Unsigned int Numinputs = 2;

int I = 0;

For (i = 0; i <numinputs; i ++) {

    txheader [i + 5] = *inputs [i];

    txheader [i + 6] = 4;

}

Txheader [Numinputs + 7] = 4;

// Add the start transfer action

unsigned char* outs [] = {outputchange, op_Retur nchor};

Unsigned int Numoutputs = 2;

ii = 0;

For (i = 0; i <nuumoutputs; i ++) {

    txheader [i + 9] = *outputs [i];

}

Txheader [Numoutputs + 10] = 4;

// sign them

no -signed drwing signature [64];

Ethereum signature :: Create (Txheader, 13, & Signature);

// Print out the signed transaction

printf ("signed transaction: \ n");

For (i = 0; i <64; i ++) {

    printf ("%02x", txheader [i]);

}

printf (" n");

// Clean up

Delete [] txheader;

The rain test backels

As mentioned in your question, weary also our rain test to test this creation. In the Rain test, you can determinine the “Chainhash” field off the transaction header in such a works blockchain the transaction the transaction.

Here is the test:

`Bash