Advanced configuration

The IExecOracleFactory constructor accepts configuration options object. As these options are very specific, you won't need to use them for a standard usage of @iexec/iexec-oracle-factory-wrapper.

new IExecOracleFactory(ethProvider, options);

Options

oracleContract

You can customize which oracle smart contract is being used to save oracles values to and read oracles value from.

If not provided, the default oracle smart contract VerifiedResultOracle at 0x36dA71ccAd7A67053f0a4d9D5f55b725C9A25A3E provided by iExec will be used.

new IExecOracleFactory(ethProvider, {
  oracleContract: '0x36dA71ccAd7A67053f0a4d9D5f55b725C9A25A3E',
});

oracleApp

The Ethereum contract address or ENS (Ethereum Name Service) for the generic oracle dApp.

This is the iExec dApp used to fetch the value from the source.

If not provided, the default ENS oracle-factory.apps.iexec.eth pointing to the latest version of the dApp provided by iExec will be used.

new IExecOracleFactory(ethProvider, {
  oracleApp: 'oracle-factory.apps.iexec.eth',
});

oracleAppWhitelist

The Ethereum contract address for the generic oracle dApp whitelist.

This is the IExecWhitelist contract of iExec dApps authorized to write values in the oracle contract, this must contain the oracle app

If not provided, the default whitelist contract at 0x26472b355849B409769545A8595fe97846a8F0C9 containing currently supported versions of generic oracle dApp provided by iExec will be used.

new IExecOracleFactory(ethProvider, {
  oracleAppWhitelist: '0x26472b355849B409769545A8595fe97846a8F0C9',
});

workerpool

The Ethereum contract address or ENS (Ethereum Name Service) of the workerpool to use for running the dApp.

The workerpool must be listed in the authorized workerpools by the oracle contract

If not provided, the default workerpool prod-v8-bellecour.main.pools.iexec.eth will be used.

TIP

For learning purpose, the learn workerpool prod-v8-learn.main.pools.iexec.eth providing free computing power can be used.

new IExecOracleFactory(ethProvider, {
  workerpool: 'prod-v8-bellecour.main.pools.iexec.eth',
});

ipfsNode

The IPFS node URL for content uploads. Use this option if you want to use your own IPFS node to upload content.

If not provided, the default IPFS node provided by iExec will be used.

new IExecOracleFactory(ethProvider, {
  ipfsNode: 'https://ipfs-upload.v8-bellecour.iex.ec',
});

ipfsGateway

The IPFS gateway URL used for content downloads. Mainly used for checking content uploaded on the IPFS network. Use this option if you want to use your own IPFS node for content downloads.

If not provided, the default IPFS gateway provided by iExec will be used.

new IExecOracleFactory(ethProvider, {
  ipfsGateway: 'https://ipfs-gateway.v8-bellecour.iex.ec',
});

iexecOptions

Low level configuration options for iexec SDK, see iexec SDK documentation IExecConfigOptions for more details.

new IExecOracleFactory(ethProvider, {
  iexecOptions,
});