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import * as ethers from "ethers"
import { config, fetchContractConfig } from "./config"
import FLBTokenABI from "@/abi/FLBToken.json"
import HealthActorsRegistryABI from "@/abi/HealthActorsRegistry.json"
import DonationRouterABI from "@/abi/DonationRouter.json"
// Types
export type HealthActor = {
name: string
location: string
credentials: string
isVerified: boolean
}
// Cache for contract addresses
let contractConfig = { ...config }
// Initialize contract config
export const initializeContractConfig = async () => {
if (typeof window !== "undefined") {
contractConfig = await fetchContractConfig()
}
return contractConfig
}
// Get provider
export const getProvider = () => {
if (typeof window !== "undefined" && window.ethereum) {
return new ethers.providers.Web3Provider(window.ethereum)
}
return null
}
// Get signer
export const getSigner = () => {
const provider = getProvider()
if (!provider) return null
try {
return provider.getSigner()
} catch (error) {
console.error("Error getting signer:", error)
return null
}
}
// Get FLB Token contract
export const getFLBTokenContract = async (withSigner = false) => {
const provider = getProvider()
if (!provider) return null
// Ensure we have the latest contract config
await initializeContractConfig()
if (!contractConfig.tokenContract) return null
try {
const contract = new ethers.Contract(contractConfig.tokenContract, FLBTokenABI, provider)
if (withSigner) {
const signer = getSigner()
if (!signer) return null
return contract.connect(signer)
}
return contract
} catch (error) {
console.error("Error getting FLB token contract:", error)
return null
}
}
// Get Health Actors Registry contract
export const getHealthRegistryContract = async (withSigner = false) => {
const provider = getProvider()
if (!provider) return null
// Ensure we have the latest contract config
await initializeContractConfig()
if (!contractConfig.healthRegistry) return null
try {
const contract = new ethers.Contract(contractConfig.healthRegistry, HealthActorsRegistryABI, provider)
if (withSigner) {
const signer = getSigner()
if (!signer) return null
return contract.connect(signer)
}
return contract
} catch (error) {
console.error("Error getting health registry contract:", error)
return null
}
}
// Get Donation Router contract
export const getDonationRouterContract = async (withSigner = false) => {
const provider = getProvider()
if (!provider) return null
// Ensure we have the latest contract config
await initializeContractConfig()
if (!contractConfig.donationRouter) return null
try {
const contract = new ethers.Contract(contractConfig.donationRouter, DonationRouterABI, provider)
if (withSigner) {
const signer = getSigner()
if (!signer) return null
return contract.connect(signer)
}
return contract
} catch (error) {
console.error("Error getting donation router contract:", error)
return null
}
}
// Check if an address is a verified health actor
export const isVerifiedHealthActor = async (address: string): Promise<boolean> => {
try {
const contract = await getHealthRegistryContract()
if (!contract) throw new Error("Contract not available")
return await contract.isVerifiedHealthActor(address)
} catch (error) {
console.error("Error checking health actor verification:", error)
return false
}
}
// Get health actor information
export const getHealthActorInfo = async (address: string): Promise<HealthActor | null> => {
try {
const contract = await getHealthRegistryContract()
if (!contract) throw new Error("Contract not available")
const info = await contract.getHealthActorInfo(address)
return {
name: info.name,
location: info.location,
credentials: info.credentials,
isVerified: info.isVerified,
}
} catch (error) {
console.error("Error getting health actor info:", error)
return null
}
}
// Register as a health actor
export const registerHealthActor = async (name: string, location: string, credentials: string): Promise<boolean> => {
try {
const contract = await getHealthRegistryContract(true)
if (!contract) throw new Error("Contract not available")
const tx = await contract.registerHealthActor(name, location, credentials)
await tx.wait()
return true
} catch (error) {
console.error("Error registering health actor:", error)
return false
}
}
// Get FLB token balance
export const getFLBBalance = async (address: string): Promise<string> => {
try {
const contract = await getFLBTokenContract()
if (!contract) throw new Error("Contract not available")
const balance = await contract.balanceOf(address)
return ethers.formatUnits(balance, 18)
} catch (error) {
console.error("Error getting FLB balance:", error)
return "0"
}
}
// Donate to a health actor
export const donateToHealthActor = async (recipientAddress: string, amount: string): Promise<boolean> => {
try {
const contract = await getDonationRouterContract(true)
if (!contract) throw new Error("Donation Router contract not available")
const amountWei = ethers.parseEther(amount)
const tx = await contract.donate(recipientAddress, { value: amountWei })
await tx.wait()
return true
} catch (error) {
console.error("Error donating to health actor:", error)
return false
}
}
// Mint FLB tokens
export const mintFLBTokens = async (amount: string): Promise<boolean> => {
try {
const contract = await getDonationRouterContract(true)
if (!contract) throw new Error("Donation Router contract not available")
const amountWei = ethers.parseEther(amount)
const tx = await contract.mintFLBToken({ value: amountWei })
await tx.wait()
return true
} catch (error) {
console.error("Error minting FLB tokens:", error)
return false
}
}
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