# Optimism Testnet (kovan)
RelayHub: 0xceEd6F194C07EB606ae0F3899DdfA7dE8a4ABcB5 (opens new window)
VersionRegistry: 0xf7D1b4f7B20B4bC1b4dc1E09B709edA31123193c (opens new window)
Forwarder: 0x39A2431c3256028a07198D2D27FD120a1f81ecae (opens new window)
Accept-Everything Paymaster: 0x6B43C92C4661c8555D5D060144457D9bF0fD0D34 (opens new window)
# Recommeneded Server configuration
gsn-relay-config.json:
{
"baseRelayFee": 0,
"pctRelayFee": 70,
"relayHubAddress": "0xceEd6F194C07EB606ae0F3899DdfA7dE8a4ABcB5",
"ownerAddress": "<OWNER_ADDRESS>",
"gasPriceFactor": 1,
"confirmationsNeeded": 1,
"ethereumNodeUrl": "https://kovan.optimism.io/",
"coldRestartLogsFromBlock": 1318966,
"registrationBlockRate": 5e9,
"pastEventsQueryMaxPageSize": 5e7
}
# Recommeneded client configuration
// add the following fields to your GSNConfig:
const gsnConfig: Partial<GSNConfig> = {
relayLookupWindowBlocks: 5e9,
relayRegistrationLookupBlocks: 5e9,
pastEventsQueryMaxPageSize: 5e7,
}
const gsnProvider = RelayProvider.newProvider({provider: web3Provider, config: gsnConfig})
await gsnProvider.init()