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understanding issue fix

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Zakaria Hossain Foysal 2022-07-22 17:35:32 +06:00
parent 2920f1358b
commit a859a07421
2 changed files with 6 additions and 6 deletions
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10
token-erc-1155/README.md
View file

@ -37,7 +37,7 @@ Although Mint / Burn are not required, they are necessary to change the supply o
- Burn
- BurnBatch
- Extra/utility functions
- BatchTransferFromMultiRecipient: This is not defined in the standard. We created this function to solve an issue we encountered. It is only required if a person wants to send tokens to multiple persons in a blockchain block. If a person doesn't use this function and create two transactions in a single block, there will be key conflicts because the chaincode will try to decrement the balance of the sender twice in a block and this causes a key conflict in Fabric [just like explained in here](https://github.com/hyperledger/fabric-samples/tree/main/high-throughput). This problem does not exist in Ethereum because, in Ethereum, the transactions are ordered before they are executed.
- BatchTransferToMultiRecipientFrom: This is not defined in the standard. We created this function to solve an issue we encountered. It is only required if a person wants to send tokens to multiple persons in a blockchain block. If a person doesn't use this function and create two transactions in a single block, there will be key conflicts because the chaincode will try to decrement the balance of the sender twice in a block and this causes a key conflict in Fabric [just like explained in here](https://github.com/hyperledger/fabric-samples/tree/main/high-throughput). This problem does not exist in Ethereum because, in Ethereum, the transactions are ordered before they are executed.
- BroadcastTokenExistence: Explained in ERC-1155 but it is not required. It is only used if a token minter wants to announce the existence of a token without minting it.
- ClientAccountID: This function is special for Fabric because we do not have wallet addresses in Fabric and users need to know their account ID to transfer tokens.
- ClientAccountBalance: A shorthand for BalanceOf function.
@ -261,9 +261,9 @@ Send Person P2 six token3s, three token4s, and one token2s by calling BatchTrans
peer chaincode invoke "${TARGET_TLS_OPTIONS[@]}" -C mychannel -n erc1155 -c "{\"function\":\"BatchTransferFrom\",\"Args\":[\"$P1\",\"$P2\",\"[3,4,2]\",\"[6,3,1]\"]}" --waitForEvent
```
#### BatchTransferFromMultiReceipent
#### BatchTransferToMultiReceipentFrom
Call BatchTransferFromMultiReceipent as Person1 in order to send:
Call BatchTransferToMultiReceipentFrom as Person1 in order to send:
- six token5s to person P3,
- six token3s to person P4,
- three token4s to person P2,
@ -271,7 +271,7 @@ Call BatchTransferFromMultiReceipent as Person1 in order to send:
- and three token6s to person P2.
```bash
peer chaincode invoke "${TARGET_TLS_OPTIONS[@]}" -C mychannel -n erc1155 -c "{\"function\":\"BatchTransferFromMultiRecipient\",\"Args\":[\"$P1\",\"[\\\"$P3\\\",\\\"$P4\\\",\\\"$P2\\\",\\\"$P5\\\",\\\"$P2\\\"]\",\"[5,3,4,2,6]\",\"[6,6,3,2,3]\"]}" --waitForEvent
peer chaincode invoke "${TARGET_TLS_OPTIONS[@]}" -C mychannel -n erc1155 -c "{\"function\":\"BatchTransferToFromMultiRecipientFrom\",\"Args\":[\"$P1\",\"[\\\"$P3\\\",\\\"$P4\\\",\\\"$P2\\\",\\\"$P5\\\",\\\"$P2\\\"]\",\"[5,3,4,2,6]\",\"[6,6,3,2,3]\"]}" --waitForEvent
```
### Clean up
@ -284,4 +284,4 @@ When you are finished, you can bring down the test network. This command will br
## Acknowledgement
This work has been carried out at Boğaziçi University and has received funding from the European Union’s Horizon 2020 Research and Innovation programme under Grant Agreement No. 856632.
This work has been carried out at Boğaziçi University and has received funding from the European Union’s Horizon 2020 Research and Innovation programme under Grant Agreement No. 856632.

2
token-erc-1155/chaincode-go/chaincode/contract.go
View file

@ -417,7 +417,7 @@ func (s *SmartContract) BatchTransferFrom(ctx contractapi.TransactionContextInte
return emitTransferBatch(ctx, transferBatchEvent)
}
// BatchTransferToMultiRecipient transfers multiple tokens from sender account to multiple recipient accounts
// BatchTransferToMultiRecipientFrom transfers multiple tokens from sender account to multiple recipient accounts
// recipient account must be a valid clientID as returned by the ClientID() function
// This function triggers a TransferBatchMultiRecipient event
func (s *SmartContract) BatchTransferToMultiRecipientFrom(ctx contractapi.TransactionContextInterface, sender string, recipients []string, ids []uint64, amounts []uint64) error {