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Introduce Backend trait to allow different RPC (or other) backends to be implemented (#1126)

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* WIP backend trait

* WIP converting higher level stuff to using Backend impl

* more implementing new backend trait, mainly storage focused

* Get core code compiling with new backend bits

* subxt crate checks passing

* fix tests

* cargo fmt

* clippy/fixes

* merging and other fixes

* fix test

* fix lightclient code

* Fix some broken doc links

* another book link fix

* fix broken test when moving default_rpc_client

* fix dry_run test

* fix more tests; lightclient and wasm

* fix wasm tests

* fix some doc examples

* use next() instead of next_item()

* missing next_item() -> next()s

* move legacy RPc methods to LegacyRpcMethods type to host generic param instead of RpcClient

* standardise on all RpcClient types prefixed with Rpc, and 'raw' trait types prefixed with RawRpc so it's less ocnfusing which is which

* rename fixes

* doc fixes

* Add back system_dryRun RPC method and rename tx.dry_run() to tx.validate(), to signal that the calls are different

* Add a test that we return the correct extrinsic hash from submit()

* add TransactionValid details back, and protect against out of range bytes

* add test for decoding transaction validation from empty bytes

* fix clippy warning
This commit is contained in:
James Wilson
2023-08-22 12:32:22 +01:00
committed by GitHub
parent 7e15e96e52
commit d7124b56f7
61 changed files with 2627 additions and 3150 deletions
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subxt/examples/storage_iterating_partial.rs
+10 -17
View File
@@ -1,15 +1,13 @@
use subxt::{OnlineClient, PolkadotConfig};
#[subxt::subxt(runtime_metadata_path = "../artifacts/polkadot_metadata_full.scale")]
pub mod polkadot {}
use subxt::utils::AccountId32;
use subxt_signer::sr25519::{dev, Keypair};
use polkadot::multisig::events::NewMultisig;
use polkadot::runtime_types::{
frame_system::pallet::Call, polkadot_runtime::RuntimeCall, sp_weights::weight_v2::Weight,
};
use subxt::utils::AccountId32;
use subxt::{OnlineClient, PolkadotConfig};
use subxt_signer::sr25519::{dev, Keypair};
#[subxt::subxt(runtime_metadata_path = "../artifacts/polkadot_metadata_full.scale")]
pub mod polkadot {}
#[tokio::main]
async fn main() -> Result<(), Box<dyn std::error::Error>> {
@@ -24,6 +22,7 @@ async fn main() -> Result<(), Box<dyn std::error::Error>> {
let new_multisig_1 = submit_remark_as_multi(&alice_signer, &bob, b"Hello", &api).await?;
let new_multisig_2 = submit_remark_as_multi(&alice_signer, &bob, b"Hi", &api).await?;
let new_multisig_3 = submit_remark_as_multi(&alice_signer, &charlie, b"Hello", &api).await?;
// Note: the NewMultisig event contains the multisig address we need to use for the storage queries:
assert_eq!(new_multisig_1.multisig, new_multisig_2.multisig);
assert_ne!(new_multisig_1.multisig, new_multisig_3.multisig);
@@ -35,16 +34,10 @@ async fn main() -> Result<(), Box<dyn std::error::Error>> {
.multisig()
.multisigs_iter1(alice_bob_account_id);
// Get back an iterator of results (here, we are fetching 10 items at
// a time from the node, but we always iterate over one at a time).
let mut results = api
.storage()
.at_latest()
.await?
.iter(storage_query, 10)
.await?;
// Get back an iterator of results.
let mut results = api.storage().at_latest().await?.iter(storage_query).await?;
while let Some((key, value)) = results.next().await? {
while let Some(Ok((key, value))) = results.next().await {
println!("Key: 0x{}", hex::encode(&key));
println!("Value: {:?}", value);
}