Configuration
gasPriceAt β
caver.klay.gasPriceAt([defaultBlock] [, callback])
Returns the unit price of gas in peb that was effective at the given block height.
Parameters
| Name | Type | Description |
|---|---|---|
| defaultBlock | Number | String | (optional) If you don't pass this parameter, the default block set by caver.klay.defaultBlock will be used. |
| callback | Function | (optional) Optional callback, returns an error object as the first parameter and the result as the second. |
Return Value
Promise returns String - A numeric string of the gas price in peb.
Example
> caver.klay.gasPriceAt().then(console.log);0x5d21dba00> caver.klay.gasPriceAt('latest').then(console.log);0x5d21dba00
getChainId β
caver.klay.getChainId([callback])
Returns the chain ID of the chain.
Parameters
| Name | Type | Description |
|---|---|---|
| callback | Function | (optional) Optional callback, returns an error object as the first parameter and the result as the second. |
Return Value
Promise returns Number - Integer of the chain ID of the chain.
Example
> caver.klay.getChainId().then(console.log);1001
getGasPrice β
caver.klay.getGasPrice([callback])
Returns the unit price defined in the Klaytn network.
Parameters
| Name | Type | Description |
|---|---|---|
| callback | Function | (optional) Optional callback, returns an error object as the first parameter and the result as the second. |
Return Value
Promise returns String - Number string of the current unit price in peb.
Example
> caver.klay.getGasPrice().then(console.log);"25000000000"
getNodeInfo β
caver.klay.getNodeInfo([callback])
Returns the current client version of a Klaytn node.
Parameters
| Name | Type | Description |
|---|---|---|
| callback | Function | (optional) Optional callback, returns an error object as the first parameter and the result as the second. |
Return Value
Promise returns String - The current client version of a Klaytn node.
Example
> caver.klay.getNodeInfo().then(console.log);Klaytn/v0.10.1+fc5c37064e/linux-amd64/go1.11.2
getProtocolVersion β
caver.klay.getProtocolVersion([callback])
Returns the Klaytn protocol version of the node.
The current version (as of v1.9.0) of Cypress/Baobab is istanbul/65.
Parameters
| Name | Type | Description |
|---|---|---|
| callback | Function | (optional) Optional callback, returns an error object as the first parameter and the result as the second. |
Return Value
Promise returns String - The Klaytn protocol version of the node.
Example
> caver.klay.getProtocolVersion().then(console.log);0x40
isSenderTxHashIndexingEnabled β
caver.klay.isSenderTxHashIndexingEnabled([callback])
Returns true if the node is indexing sender transaction hash to transaction hash mapping information.
Parameters
| Name | Type | Description |
|---|---|---|
| callback | Function | (optional) Optional callback function. The callback is fired with an error object as the first parameter and the result as the second. |
Return Value
Promise returns Boolean - true means the node is indexing the sender transaction hash to find the fee-payer-signed transaction. For detailed information, please see Klaytn Platform API - klay_getTransactionBySenderTxHash and Klaytn Transactions - Fee Delegation and SenderTxHash.
Example
> caver.klay.isSenderTxHashIndexingEnabled().then(console.log);true
isParallelDBWrite β
caver.klay.isParallelDBWrite([callback])
Returns true if the node is writing blockchain data in parallel manner. It is enabled by default.
Parameters
| Name | Type | Description |
|---|---|---|
| callback | Function | (optional) Optional callback, returns an error object as the first parameter and the result as the second. |
Return Value
Promise returns Boolean - true means the node is writing blockchain data in a parallel manner. Returns false if the node is writing the data in a serial manner.
Example
> caver.klay.isParallelDBWrite().then(console.log);true
rewardbase β
caver.klay.rewardbase([callback])
Returns the rewardbase of the current node. Rewardbase is the address of the account where the block reward goes to. Only the Klaytn Consensus Nodes (CN) have the rewardbase in their configuration. See Configuration File.
Parameters
| Name | Type | Description |
|---|---|---|
| callback | Function | (optional) Optional callback, returns an error object as the first parameter and the result as the second. |
Return Value
Promise returns String - The rewardbase of the current node.
Example
> caver.klay.rewardbase().then(console.log);0xed9d108be2a9a7ea5f180ace80f31b66ea107283