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JsonRpcProvider
**new **ethers . providers . JsonRpcProvider( [ urlOrConnectionInfo [ , networkish ] ] )
Connect to a JSON-RPC HTTP API using the URL or ConnectionInfo urlOrConnectionInfo connected to the networkish network.
If urlOrConnectionInfo is not specified, the default (i.e. http://localhost:8545) is used and if no network is specified, it will be determined automatically by querying the node using eth_chaindId and falling back on eth_networkId.
Note: Connecting to a Local Node
Each node implementation is slightly different and may require specific command-line flags, configuration or settings in their UI to enable JSON-RPC, unlock accounts or expose specific APIs. Please consult their documentation.
jsonRpcProvider . getSigner( [ addressOrIndex ] ) => JsonRpcSigner
Returns a JsonRpcSigner which is managed by this Ethereum node, at addressOrIndex. If no addressOrIndex is provided, the first account (account #0) is used.
jsonRpcProvider . getUncheckedSigner( [ addressOrIndex ] ) => JsonRpcUncheckedSigner
jsonRpcProvider . listAccounts( ) => Array< string >
Returns a list of all account addresses managed by this provider.
jsonRpcProvider . send( method , params ) => Promise< any >
Allows sending raw messages to the provider.
This can be used for backend-specific calls, such as for debugging or specific account management.
JsonRpcSigner
signer . provider => JsonRpcProvider
The provider this signer was established from.
signer . connectUnchecked( ) => JsonRpcUncheckedSigner
Returns a new Signer object which does not perform additional checks when sending a transaction. See getUncheckedSigner for more details.
signer . sendUncheckedTransaction( transaction ) => Promise< string< DataHexString< 32 > > >
Sends the transaction and returns a Promise which resolves to the opaque transaction hash.
signer . unlock( password ) => Promise< boolean >
Request the node unlock the account (if locked) using password.