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light-client: Add experimental light-client support (#965)
* rpc/types: Decode `SubstrateTxStatus` for substrate and smoldot Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * lightclient: Add light client Error Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * lightclient: Add background task to manage RPC responses Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * lightclient: Implement the light client RPC in subxt Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * subxt: Expose light client under experimental feature-flag Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * artifacts: Add development chain spec for local nodes Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * Update cargo lock Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * examples: Add light client example Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * Update sp-* crates and smoldot to use git with branch / rev Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * Apply cargo fmt Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * Fix clippy Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * Import hashmap entry Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * lightclient: Fetch spec only if jsonrpsee feature is enabled Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * Update subxt/src/rpc/lightclient/background.rs Co-authored-by: Niklas Adolfsson <niklasadolfsson1@gmail.com> * Fix typo Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * artifacts: Update dev chain spec Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * types: Handle storage replies from chainHead_storage Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * artifacts: Add polkadot spec Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * lightclient: Handle RPC error responses Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * examples: Tx basic with light client for local nodes Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * example: Light client coprehensive example for live chains Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * examples: Remove prior light client example Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * feature: Rename experimental to unstable Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * book: Add light client section Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * testing: Fix clippy Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * lightclient: Ignore validated events Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * Adjust tests for light-clients and normal clients Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * testing: Keep lightclient variant Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * Remove support for chainHead_storage for light client Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * Update light client to point to crates.io Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * Update sp-crates from crates.io Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * Replace Atomic with u64 Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * Add LightClientBuilder Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * Adjust chainspec with provided bootnodes Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * Add potential_relay_chains to light client builder Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * Move the light-client to the background task Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * Adjust tracing logs Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * Update book and example Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * Apply cargo fmt Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * Remove dev_spec.json artifact Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * Examples fix duplicate Cargo.toml Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * Use tracing_subscriber crate Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * Fix clippy for different features Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * Add comment about bootNodes Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * Add comment about tracing-sub dependency Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * Run integration-tests with light-client Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * Feature guard some incompatible tests Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * ci: Enable light-client tests under feature flag Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * ci: Fix git step name Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * Adjust flags for testing Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * Adjust warnings Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * Rename feature flag jsonrpsee-ws to jsonrpsee Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * Fix cargo check Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * ci: Run tests on just 2 threads Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * Move light-client to subxt/src/client Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * Adjust LightClientBuilder Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * Use ws_url to construct light client for testing Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * Refactor background Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * Address feedback Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * Remove polkadot.spec and trim sub_id Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * Wait for substrate to produce block before connecting light client Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * Adjust builder and tests Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * Apply fmt Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * ci: Use release for light client testing Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * Add single test for light-client Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * Wait for more blocks Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * Use polkadot endpoint for testing Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * Adjust cargo check Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * examples: Remove light client chain connection example Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * Adjust cargo.toml section for the old example Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * Adjust background task to use usize for subscription Id Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * Build bootnodes with serde_json::Value directly Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * Make channel between subxt user and subxt background unbounded Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * Update subxt/src/client/lightclient/builder.rs Co-authored-by: Niklas Adolfsson <niklasadolfsson1@gmail.com> * Switch to smoldot 0.6.0 from 0.5.0 Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * Move testing to `full_client` and `light_client` higher modules Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * Remove subscriptionID type Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * Remove subxt/integration-testing feature flag Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * Adjust wait_for_blocks documentation Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * Adjust utils import for testing Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * Remove into_iter from builder construction Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> --------- Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> Co-authored-by: Niklas Adolfsson <niklasadolfsson1@gmail.com>
This commit is contained in:
Alexandru Vasile
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// Copyright 2019-2023 Parity Technologies (UK) Ltd.
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// This file is dual-licensed as Apache-2.0 or GPL-3.0.
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// see LICENSE for license details.
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use crate::{
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node_runtime::{
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self,
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contracts::events,
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runtime_types::{pallet_contracts::wasm::Determinism, sp_weights::weight_v2::Weight},
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system,
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},
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test_context, TestContext,
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};
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use subxt::{tx::TxProgress, utils::MultiAddress, Config, Error, OnlineClient, SubstrateConfig};
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use subxt_signer::sr25519::{self, dev};
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struct ContractsTestContext {
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cxt: TestContext,
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signer: sr25519::Keypair,
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}
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type Hash = <SubstrateConfig as Config>::Hash;
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type AccountId = <SubstrateConfig as Config>::AccountId;
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const CONTRACT: &str = r#"
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(module
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(func (export "call"))
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(func (export "deploy"))
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)
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"#;
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const PROOF_SIZE: u64 = u64::MAX / 2;
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impl ContractsTestContext {
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async fn init() -> Self {
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let cxt = test_context().await;
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let signer = dev::alice();
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Self { cxt, signer }
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}
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fn client(&self) -> OnlineClient<SubstrateConfig> {
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self.cxt.client()
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}
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async fn upload_code(&self) -> Result<Hash, Error> {
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let code = wabt::wat2wasm(CONTRACT).expect("invalid wabt");
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let upload_tx =
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node_runtime::tx()
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.contracts()
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.upload_code(code, None, Determinism::Enforced);
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let events = self
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.client()
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.tx()
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.sign_and_submit_then_watch_default(&upload_tx, &self.signer)
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.await?
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.wait_for_finalized_success()
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.await?;
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let code_stored = events
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.find_first::<events::CodeStored>()?
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.ok_or_else(|| Error::Other("Failed to find a CodeStored event".into()))?;
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Ok(code_stored.code_hash)
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}
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async fn instantiate_with_code(&self) -> Result<(Hash, AccountId), Error> {
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tracing::info!("instantiate_with_code:");
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let code = wabt::wat2wasm(CONTRACT).expect("invalid wabt");
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let instantiate_tx = node_runtime::tx().contracts().instantiate_with_code(
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100_000_000_000_000_000, // endowment
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Weight {
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ref_time: 500_000_000_000,
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proof_size: PROOF_SIZE,
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}, // gas_limit
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None, // storage_deposit_limit
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code,
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vec![], // data
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vec![], // salt
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);
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let events = self
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.client()
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.tx()
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.sign_and_submit_then_watch_default(&instantiate_tx, &self.signer)
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.await?
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.wait_for_finalized_success()
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.await?;
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let code_stored = events
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.find_first::<events::CodeStored>()?
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.ok_or_else(|| Error::Other("Failed to find a CodeStored event".into()))?;
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let instantiated = events
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.find_first::<events::Instantiated>()?
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.ok_or_else(|| Error::Other("Failed to find a Instantiated event".into()))?;
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let _extrinsic_success = events
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.find_first::<system::events::ExtrinsicSuccess>()?
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.ok_or_else(|| Error::Other("Failed to find a ExtrinsicSuccess event".into()))?;
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tracing::info!(" Block hash: {:?}", events.block_hash());
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tracing::info!(" Code hash: {:?}", code_stored.code_hash);
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tracing::info!(" Contract address: {:?}", instantiated.contract);
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Ok((code_stored.code_hash, instantiated.contract))
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}
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async fn instantiate(
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&self,
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code_hash: Hash,
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data: Vec<u8>,
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salt: Vec<u8>,
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) -> Result<AccountId, Error> {
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// call instantiate extrinsic
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let instantiate_tx = node_runtime::tx().contracts().instantiate(
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100_000_000_000_000_000, // endowment
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Weight {
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ref_time: 500_000_000_000,
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proof_size: PROOF_SIZE,
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}, // gas_limit
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None, // storage_deposit_limit
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code_hash,
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data,
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salt,
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);
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let result = self
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.client()
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.tx()
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.sign_and_submit_then_watch_default(&instantiate_tx, &self.signer)
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.await?
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.wait_for_finalized_success()
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.await?;
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tracing::info!("Instantiate result: {:?}", result);
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let instantiated = result
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.find_first::<events::Instantiated>()?
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.ok_or_else(|| Error::Other("Failed to find a Instantiated event".into()))?;
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Ok(instantiated.contract)
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}
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async fn call(
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&self,
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contract: AccountId,
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input_data: Vec<u8>,
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) -> Result<TxProgress<SubstrateConfig, OnlineClient<SubstrateConfig>>, Error> {
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tracing::info!("call: {:?}", contract);
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let call_tx = node_runtime::tx().contracts().call(
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MultiAddress::Id(contract),
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0, // value
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Weight {
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ref_time: 500_000_000,
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proof_size: PROOF_SIZE,
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}, // gas_limit
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None, // storage_deposit_limit
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input_data,
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);
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let result = self
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.client()
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.tx()
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.sign_and_submit_then_watch_default(&call_tx, &self.signer)
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.await?;
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tracing::info!("Call result: {:?}", result);
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Ok(result)
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}
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}
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#[tokio::test]
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async fn tx_instantiate_with_code() {
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let ctx = ContractsTestContext::init().await;
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let result = ctx.instantiate_with_code().await;
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assert!(
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result.is_ok(),
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"Error calling instantiate_with_code and receiving CodeStored and Instantiated Events: {result:?}"
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);
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}
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#[tokio::test]
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async fn tx_instantiate() {
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let ctx = ContractsTestContext::init().await;
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let code_hash = ctx.upload_code().await.unwrap();
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let instantiated = ctx.instantiate(code_hash, vec![], vec![]).await;
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assert!(
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instantiated.is_ok(),
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"Error instantiating contract: {instantiated:?}"
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);
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}
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#[tokio::test]
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async fn tx_call() {
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let cxt = ContractsTestContext::init().await;
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let (_, contract) = cxt.instantiate_with_code().await.unwrap();
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let info_addr = node_runtime::storage()
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.contracts()
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.contract_info_of(&contract);
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let info_addr_bytes = cxt.client().storage().address_bytes(&info_addr).unwrap();
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let contract_info = cxt
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.client()
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.storage()
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.at_latest()
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.await
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.unwrap()
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.fetch(&info_addr)
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.await;
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assert!(contract_info.is_ok());
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let keys = cxt
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.client()
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.storage()
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.at_latest()
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.await
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.unwrap()
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.fetch_keys(&info_addr_bytes, 10, None)
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.await
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.unwrap()
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.iter()
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.map(|key| hex::encode(&key.0))
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.collect::<Vec<_>>();
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println!("keys post: {keys:?}");
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let executed = cxt.call(contract, vec![]).await;
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assert!(executed.is_ok(), "Error calling contract: {executed:?}");
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}
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