nim-codex/codex/contracts/deployment.nim

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import std/json
import std/os
import std/tables
import pkg/ethers
import pkg/questionable
import pkg/chronicles
import ../conf
import ./marketplace
type Deployment* = ref object
provider: Provider
config: CodexConf
const knownAddresses = {
# Hardhat localhost network
"31337": {
"Marketplace": Address.init("0x59b670e9fA9D0A427751Af201D676719a970857b")
}.toTable
}.toTable
proc getKnownAddress(T: type, chainId: UInt256): ?Address =
let id = chainId.toString(10)
notice "Looking for well-known contract address with ChainID ", chainId=id
if not (id in knownAddresses):
return none Address
return knownAddresses[id].getOrDefault($T, Address.none)
proc new*(_: type Deployment, provider: Provider, config: CodexConf): Deployment =
Deployment(provider: provider, config: config)
proc address*(deployment: Deployment, contract: type): Future[?Address] {.async.} =
when contract is Marketplace:
if address =? deployment.config.marketplaceAddress:
return some address
let chainId = await deployment.provider.getChainId()
return contract.getKnownAddress(chainId)