ERC721 Token
Token ERC721 APIs.
erc721_getBalance
Return an address Token balance.
Parameters
Name | Type | Description |
---|---|---|
contractAddress | String | Contract address of token. |
address | String | Address |
Return Value
Name | Type | Description |
---|---|---|
balance | BigInteger | Token balance of address. |
Example
erc721_getTokenUri
Return a minted tokenId URI.
Parameters
Name | Type | Description |
---|---|---|
contractAddress | String | Contract address of token. |
address | String | Address |
tokenId | BigInteger | token id |
Return Value
Name | Type | Description |
---|---|---|
uri | String | minted tokenId uri |
Example
erc721_mint
Create new token with uri data. Only the token owner can do this..
Parameters
Name | Type | Description |
---|---|---|
contractAddress | String | Contract address of token |
sender | String | Address of token owner |
toAddress | String | Address for mint |
tokenId | BigInteger | token id |
uri | String | The uri data to store in the token. Max length : 100 |
tempKey | String | tempKey for "mint" |
hashKey | String | hash(tempKey | secretKey) |
signature | String | sign( hash ( contractAddress | sender | toAddress | tokenId | uri | tempKey | hashKey ) ) by owner's privateKey using signData API |
gasPrice | BigDecimal | gasPrice |
nonce | BigInteger | nonce value. If it is null, it will be filled in automatically. If acceleration is needed, use the nonce value generated when performing the transaction and use a higher gasPrice than the previous transaction. |
Return Value
Name | Type | Description |
---|---|---|
transactionId | String | Transaction Id |
nonce | BigInteger | nonce value |
A transactionId is returned, but that doesn't mean it has been added to the Block yet. You should check that the status is 1 by using net_getTransactionStatus.
Example
erc721_transfer
Transfer NFT owner from from-address to to-address.
Parameters
Name | Type | Description |
---|---|---|
contractAddress | String | Contract address of token |
sender | String | Sender address |
toAddress | String | To address |
tokenId | BigInteger | Token Id |
tempKey | String | tempKey for "transfer" |
hashKey | String | hash(tempKey | fromAddress' secretKey) |
signature | String | sign( hash ( contractAddress | sender | toAddress | tokenId | tempKey | hashKey ) ) by formAddress's privateKey using signData API |
gasPrice | BigDecimal | gasPrice |
nonce | BigInteger | nonce value. If it is null, it will be filled in automatically. If acceleration is needed, use the nonce value generated when performing the transaction and use a higher gasPrice than the previous transaction. |
Return Value
Name | Type | Description |
---|---|---|
transactionId | String | Transaction Id |
none | BigInteger | nonce value |
A transactionId is returned, but that doesn't mean it has been added to the Block yet. You should check that the status is 1 by using net_getTransactionStatus.
Example
erc721_transferFrom
Transfer NFT owner from from-address to to-address by spender address.
Parameters
Name | Type | Description |
---|---|---|
contractAddress | String | Contract address of token |
sender | String | Sender address |
fromAddress | String | From address |
toAddress | String | To address |
tokenId | BigInteger | Token Id |
tempKey | String | tempKey for "transfer" |
hashKey | String | hash(tempKey | fromAddress' secretKey) |
signature | String | sign( hash ( contractAddress | sender | fromAddress | toAddress | tokenId | tempKey | hashKey ) ) by address's privateKey using signData API |
gasPrice | BigDecimal | gasPrice |
nonce | BigInteger | nonce value. If it is null, it will be filled in automatically. If acceleration is needed, use the nonce value generated when performing the transaction and use a higher gasPrice than the previous transaction. |
Return Value
Name | Type | Description |
---|---|---|
transactionId | String | Transaction Id |
nonce | BigInteger | nonce value |
A transactionId is returned, but that doesn't mean it has been added to the Block yet. You should check that the status is 1 by using net_getTransactionStatus.
Example
erc721_approve
Approve token from owner-address to spender-address.
Parameters
Name | Type | Description |
---|---|---|
contractAddress | String | Contract address of token |
sender | String | Sender address |
spender | String | Spender address |
tokenId | BigInteger | Token Id |
tempKey | String | tempKey for "approve" |
hashKey | String | hash(tempKey | fromAddress' secretKey) |
signature | String | sign( hash ( contractAddress | sender | spender | tokenId | tempKey | hashKey ) ) by formAddress's privateKey using signData API |
gasPrice | BigDecimal | gasPrice |
nonce | BigInteger | nonce value. If it is null, it will be filled in automatically. If acceleration is needed, use the nonce value generated when performing the transaction and use a higher gasPrice than the previous transaction. |
Return Value
Name | Type | Description |
---|---|---|
transactionId | String | Transaction Id |
A transactionId is returned, but that doesn't mean it has been added to the Block yet. You should check that the status is 1 by using net_getTransactionStatus.
Example
erc721_getApproved
Returns an allowed token spender from owner address.
Parameters
Name | Type | Description |
---|---|---|
contractAddress | String | Contract address of token. |
tokenId | BigInteger | Token Id |
Return Value
Name | Type | Description |
---|---|---|
address | String | Spender's address |
Example
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