From 16fe80c1c61b0d78581af78854e419f7ab544c69 Mon Sep 17 00:00:00 2001 From: Peter Todd Date: Mon, 21 Oct 2013 00:44:39 -0400 Subject: Archive Revision as of 17:37, 28 April 2013 https://en.bitcoin.it/w/index.php?title=BIP_0017&oldid=37378 --- bip-0017.mediawiki | 11 +++++++---- 1 file changed, 7 insertions(+), 4 deletions(-) (limited to 'bip-0017.mediawiki') diff --git a/bip-0017.mediawiki b/bip-0017.mediawiki index 0cd5d70..d10ab8a 100644 --- a/bip-0017.mediawiki +++ b/bip-0017.mediawiki @@ -1,9 +1,11 @@ +{{bip}} +
   BIP: 17
   Title: OP_CHECKHASHVERIFY (CHV)
   Author: Luke Dashjr 
-  Status: Withdrawn
-  Type: Standards Track
+  Status: Draft
+  Type: Withdrawn
   Created: 18-01-2012
 
@@ -26,7 +28,7 @@ OP_CHECKHASHVERIFY will re-define the existing OP_NOP2 opcode, and will function * If the hashes match, do nothing, proceed as if an OP_NOP; if they do not match, the script fails immediately. * Note that in the case of a matched hash, the top stack item (the hash being compared with) is not popped off the stack. This is for backward compatibility. -This opcode reassignment shall be applied when validating transactions in blocks only with timestamps after February 20, 2012 (see the Backwards Compatibility section for details). +This opcode reassignment shall be applied when validating transactions in blocks only with timestamps after February 23, 2012 (see the Backwards Compatibility section for details). A new standard transaction type that is relayed and included in mined blocks is defined: @@ -82,7 +84,7 @@ To gracefully upgrade and ensure no long-lasting block-chain split occurs, more To judge whether or not more than 50% of hashing power supports this BIP, miners are asked to upgrade their software and put the string "p2sh/CHV" in the input of the coinbase transaction for blocks that they create. -On February 3, 2012, the block-chain will be examined to determine the number of blocks supporting pay-to-script-hash for the previous 7 days. If at least 60% contain "p2sh/CHV" in their coinbase, then all blocks with timestamps after 18 Feb 2012, 00:00:00 GMT shall have their pay-to-script-hash transactions validated. +On February 8, 2012, the block-chain will be examined to determine the number of blocks supporting pay-to-script-hash for the previous 7 days. If at least 60% contain "p2sh/CHV" in their coinbase, then all blocks with timestamps after 23 Feb 2012, 00:00:00 GMT shall have their pay-to-script-hash transactions validated. If a majority of hashing power does not support the new validation rules, then rollout will be postponed (or rejected if it becomes clear that a majority will never be achieved). @@ -100,3 +102,4 @@ OP_NOP2 is used, so existing OP_EVAL (BIP 12) transactions in the block chain ca * [[BIP 0011|M-of-N Multisignature Transactions (BIP 11)]] * Example BIP 17 transaction chain: [http://blockexplorer.com/tx/b8fd633e7713a43d5ac87266adc78444669b987a56b3a65fb92d58c2c4b0e84d a] [http://blockexplorer.com/tx/eb3b82c0884e3efa6d8b0be55b4915eb20be124c9766245bcc7f34fdac32bccb b] [http://blockexplorer.com/tx/055707ce7fea7b9776fdc70413f65ceec413d46344424ab01acd5138767db137 c] [http://blockexplorer.com/tx/6d36bc17e947ce00bb6f12f8e7a56a1585c5a36188ffa2b05e10b4743273a74b d] +[[Category:BIP|D]] -- cgit v1.2.3