Listing 3. Source code for creating tokens.

1 function createToken( 2  TokenMap storage self, 3  address key, 4  Blueprint memory blueprintData, 5  uint256 creationTimestamp, 6  bytes32 tokenId, 7  string memory tokenDescription, 8  Token[] memory tokensToMerge 9 ) public { 10  require(bucketContainTokens(self, tokensToMerge)); 11  bytes32 blueprintId = blueprintData.blueprintId; 12  bytes32[] memory aggregatedTokensIds = new bytes32[]( 13   tokensToMerge.length 14  ); 15  string memory tokenName = blueprintData.token; 16  Token memory token = Token({ 17   tokenId: tokenId, 18   blueprintId: blueprintId, 19   tokenName: tokenName, 20   tokenDescription: tokenDescription, 21   tokenCreator: blueprintData.blueprintCreator, 22   creationTimestamp: creationTimestamp 23  }); 24  for (uint256 i = 0; i < tokensToMerge.length; i++) { 25   self.containedTokens[tokenId].push(tokensToMerge[i]); 26   aggregatedTokensIds[i] = tokensToMerge[i].tokenId; 27   deleteToken(self, key, tokensToMerge[i].tokenId, true); 28  } 29  insertToken(self, key, token); 30  insertHistoryData( 31   self, 32   tokenId, 33   tokenName, 34   tokenDescription, 35   msg.sender, 36   msg.sender, 37   creationTimestamp, 38   aggregatedTokensIds, 39   TokenHistoryState.Creation 40  ); 41 }