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| 1 | +// Copyright 2023-, Edge & Node, GraphOps, and Semiotic Labs. |
| 2 | +// SPDX-License-Identifier: Apache-2.0 |
| 3 | + |
| 4 | +use rand::{rng, Rng}; |
| 5 | +use serde_json::json; |
| 6 | +use std::time::{Duration, SystemTime}; |
| 7 | +use std::{str::FromStr, sync::Arc}; |
| 8 | + |
| 9 | +use anyhow::Result; |
| 10 | +use reqwest::Client; |
| 11 | +use tap_core::{signed_message::Eip712SignedMessage, tap_eip712_domain}; |
| 12 | +use tap_graph::Receipt; |
| 13 | +use thegraph_core::alloy::{primitives::Address, signers::local::PrivateKeySigner}; |
| 14 | + |
| 15 | +pub fn create_tap_receipt( |
| 16 | + value: u128, |
| 17 | + allocation_id: &Address, |
| 18 | + verifier_contract: &str, |
| 19 | + chain_id: u64, |
| 20 | + wallet: &PrivateKeySigner, |
| 21 | +) -> Result<Eip712SignedMessage<Receipt>> { |
| 22 | + let nonce = rng().random::<u64>(); |
| 23 | + |
| 24 | + // Get timestamp in nanoseconds |
| 25 | + let timestamp = SystemTime::now() |
| 26 | + .duration_since(SystemTime::UNIX_EPOCH)? |
| 27 | + .as_nanos(); |
| 28 | + let timestamp_ns = timestamp as u64; |
| 29 | + |
| 30 | + // Create domain separator |
| 31 | + let eip712_domain_separator = |
| 32 | + tap_eip712_domain(chain_id, Address::from_str(verifier_contract)?); |
| 33 | + |
| 34 | + // Create and sign receipt |
| 35 | + println!("Creating and signing receipt..."); |
| 36 | + let receipt = Eip712SignedMessage::new( |
| 37 | + &eip712_domain_separator, |
| 38 | + Receipt { |
| 39 | + allocation_id: *allocation_id, |
| 40 | + nonce, |
| 41 | + timestamp_ns, |
| 42 | + value, |
| 43 | + }, |
| 44 | + wallet, |
| 45 | + )?; |
| 46 | + |
| 47 | + Ok(receipt) |
| 48 | +} |
| 49 | + |
| 50 | +// Function to create a configured request |
| 51 | +pub fn create_request( |
| 52 | + client: &reqwest::Client, |
| 53 | + url: &str, |
| 54 | + receipt_json: &str, |
| 55 | + query: &serde_json::Value, |
| 56 | +) -> reqwest::RequestBuilder { |
| 57 | + client |
| 58 | + .post(url) |
| 59 | + .header("Content-Type", "application/json") |
| 60 | + .header("Tap-Receipt", receipt_json) |
| 61 | + .json(query) |
| 62 | + .timeout(Duration::from_secs(10)) |
| 63 | +} |
| 64 | + |
| 65 | +pub async fn find_allocation(http_client: Arc<Client>, url: &str) -> Result<String> { |
| 66 | + println!("Querying for active allocations..."); |
| 67 | + let response = http_client |
| 68 | + .post(url) |
| 69 | + .json(&json!({ |
| 70 | + "query": "{ allocations(where: { status: Active }) { id indexer { id } subgraphDeployment { id } } }" |
| 71 | + })) |
| 72 | + .send() |
| 73 | + .await?; |
| 74 | + |
| 75 | + if !response.status().is_success() { |
| 76 | + return Err(anyhow::anyhow!( |
| 77 | + "Network subgraph request failed with status: {}", |
| 78 | + response.status() |
| 79 | + )); |
| 80 | + } |
| 81 | + |
| 82 | + // Try to find a valid allocation |
| 83 | + let response_text = response.text().await?; |
| 84 | + |
| 85 | + let json_value = serde_json::from_str::<serde_json::Value>(&response_text)?; |
| 86 | + json_value |
| 87 | + .get("data") |
| 88 | + .and_then(|d| d.get("allocations")) |
| 89 | + .and_then(|a| a.as_array()) |
| 90 | + .filter(|arr| !arr.is_empty()) |
| 91 | + .and_then(|arr| arr[0].get("id")) |
| 92 | + .and_then(|id| id.as_str()) |
| 93 | + .map(|id| id.to_string()) |
| 94 | + .ok_or_else(|| anyhow::anyhow!("No valid allocation ID found")) |
| 95 | +} |
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