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Update 8_1_Building_a_Bitcoin_Script_with_P2SH.md

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Shannon Appelcline 2017-05-17 16:14:07 -07:00 committed by GitHub
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8_1_Building_a_Bitcoin_Script_with_P2SH.md
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@ -71,7 +71,7 @@ To lock this transaction requires the following:
1. Serialize `OP_ADD 100 OP_EQUAL` (`<serializedHundredEqual>`) then SHA-256 and RIPEMD-160 hash it (`<hashedHundredEqual>`). 1. Serialize `OP_ADD 100 OP_EQUAL` (`<serializedHundredEqual>`) then SHA-256 and RIPEMD-160 hash it (`<hashedHundredEqual>`).
2. Save `<serializedHundredEqual>` for future reference as the `redeemScript`. 2. Save `<serializedHundredEqual>` for future reference as the `redeemScript`.
3. Produce a P2SH locking script that includes the hashed script (`OP_HASH160 <hashedHundredEqual> OP_EQUAL`). 3. Produce a P2SH locking script that includes the hashed script (`OP_HASH160 <hashedHundredEqual> OP_EQUAL`).
4. Create the transaction with that `scriptPubKey`. 4. Create a transaction using that `scriptPubKey`.
### Run the First Round of Validation ### Run the First Round of Validation
@ -106,7 +106,7 @@ However, because this was a P2SH script, the execution isn't done.
### Run the Second Round of Validation ### Run the Second Round of Validation
For the second round of validation, Bitcoin now runs the actual redeemScript against the items pushed onto the stack ahead of it: For the second round of validation, Bitcoin now deserializes the `redeemScript`, then runs it against the items pushed onto the stack ahead of it:
``` ```
Script: OP_ADD 100 OP_EQUAL Script: OP_ADD 100 OP_EQUAL