From 86d232d14036249dd2609957dee335be20d261b5 Mon Sep 17 00:00:00 2001
From: Robert Martin-Legene <robert@nic.ar>
Date: Tue, 31 Jul 2018 11:04:51 -0300
Subject: [PATCH] Deleting obsolete TimestampDocument
---
src/contract.TimestampDocument.sol | 50 ------------------------------
1 file changed, 50 deletions(-)
delete mode 100644 src/contract.TimestampDocument.sol
diff --git a/src/contract.TimestampDocument.sol b/src/contract.TimestampDocument.sol
deleted file mode 100644
index 21d6bb7..0000000
--- a/src/contract.TimestampDocument.sol
+++ /dev/null
@@ -1,50 +0,0 @@
-// 20180612 Robert Martin-Legene <robert@nic.ar>
-// It can be difficult to feed large binary "documents" into this
-// routine, so it should be changed to accept just the checksum,
-// so we'll call this v0.1
-
-pragma solidity ^0.4.24;
-
-contract TimestampDocument {
-
- // This mapping is almost an "associative array"
- mapping (bytes32 => uint) private hashes;
-
- // Public functions
-
- //
- // Calculate and store the hash for a document
- //
- function storeDocument( string document ) public {
- bytes32 hash = sha256(abi.encodePacked(document));
- storeHash( hash );
- }
-
- //
- // Returns the block number a hash was first seen in.
- // zero (0) means not found.
- //
- function checkDocument( string document ) public view returns (uint) {
- return getBlock( sha256(abi.encodePacked(document)) );
- }
-
- // Private functions
-
- //
- // Stores the hash of the document in the mapping
- // if we have not seen the hash before.
- //
- function storeHash( bytes32 hash ) private {
- if ( hashes[hash] == 0 ) {
- hashes[hash] = block.number;
- }
- }
-
- //
- // Returns the block number in which the hash was first seen,
- // or zero (0) if never seen.
- //
- function getBlock( bytes32 hash ) private view returns (uint) {
- return hashes[hash];
- }
-}
--
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