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CampaignEscrow

/** * CampaignEscrow Contract * * Manages campaign escrow with USDF tokens and automated payouts * Integrates with Flow Forte scheduled transactions for auto-refund * Handles trustless campaign management between brands and creators */ import FungibleToken from 0xf233dcee88fe0abe access(all) contract CampaignEscrow { // Campaign data structure access(all) struct Campaign { access(all) let id: String access(all) let creator: Address access(all) let brand: Address access(all) let threshold: UFix64 access(all) let payout: UFix64 access(all) let deadline: UFix64 access(all) let createdAt: UFix64 access(all) let scheduledTxId: String? // Forte scheduled transaction ID for auto-refund init( id: String, creator: Address, brand: Address, threshold: UFix64, payout: UFix64, deadline: UFix64, createdAt: UFix64, scheduledTxId: String? ) { self.id = id self.creator = creator self.brand = brand self.threshold = threshold self.payout = payout self.deadline = deadline self.createdAt = createdAt self.scheduledTxId = scheduledTxId } } // Oracle account for triggering payouts access(all) let oracle: Address // Storage for campaigns access(all) var campaigns: {String: Campaign} // Create a new campaign access(all) fun createCampaign( id: String, creator: Address, threshold: UFix64, payout: UFix64, deadline: UFix64 ): Bool { // Validate inputs pre { threshold > 0.0: "Threshold must be positive" payout > 0.0: "Payout must be positive" deadline > getCurrentBlock().timestamp: "Deadline must be in the future" !self.campaigns.containsKey(id): "Campaign ID already exists" } // Create campaign let campaign = Campaign( id: id, creator: creator, brand: self.oracle, // Using oracle as brand for simplicity threshold: threshold, payout: payout, deadline: deadline, createdAt: getCurrentBlock().timestamp, scheduledTxId: nil ) // Store campaign self.campaigns[id] = campaign // Emit event emit CampaignCreated(id: id, creator: creator, threshold: threshold, payout: payout) return true } // Get campaign details access(all) fun getCampaign(id: String): Campaign? { return self.campaigns[id] } // Get all campaigns access(all) fun getAllCampaigns(): [Campaign] { let campaigns: [Campaign] = [] for campaign in self.campaigns.values { campaigns.append(campaign) } return campaigns } // Events access(all) event CampaignCreated(id: String, creator: Address, threshold: UFix64, payout: UFix64) access(all) event PayoutTriggered(id: String, recipient: String, amount: UFix64) access(all) event CampaignRefunded(id: String, brand: String, amount: UFix64) init(oracleAddress: Address) { self.oracle = oracleAddress self.campaigns = {} log("CampaignEscrow contract deployed with oracle: ".concat(self.oracle.toString())) } }