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Implement PIP messages, request builder, and handlers (#4945)

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* return errors on database corruption

* fix tests, json tests

* fix remainder of build

* buffer flow -> request credits

* proving state backend

* generate transaction proofs from provider

* network messages for transaction proof

* transaction proof test

* test for transaction proof message

* fix call bug

* request transaction proofs from on_demand

* most of proved_execution rpc

* proved execution future

* initial request definitions

* RLP encoding and decoding for requests

* proofs of non-existance in ProvingBlockChainClient

* new requests in provider.

* encode and decode responses

* complete initial request changes

* handle request packet in LightProtocol

* handle response packets

* implement requesting from

* re-do cost table

* get tests compiling

* fix cost table RLP encoding

* roundtrip tests for request types

* request builder tests

* move request_builder -> request::builder

* get network tests working

* return only complete headers responses

* request builder improvements

* New version of jsonrpc.

* split request filling into fill,complete

* Better invalid encoding messages

* Fixing deprecated methods of tokio_core

* use PIP messages in on_demand, old API

* migrate oneshot::complete to send in on_demand

* get on_demand tests to compile

* port ethsync to PIP messages

* adjust to minor on_demand API changes in RPC

* Using dedicated branch for jsonrpc

* Bump
This commit is contained in:
Robert Habermeier
2017-03-23 13:17:05 +01:00
committed by Gav Wood
parent b931a225ba
commit 64cec5ff7d
28 changed files with 2800 additions and 2095 deletions
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23
rpc/src/v1/impls/light/eth.rs
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@@ -105,15 +105,22 @@ impl EthClient {
match cht_root {
None => return future::ok(None).boxed(),
Some(root) => {
let req = request::HeaderByNumber::new(n, root)
let req = request::HeaderProof::new(n, root)
.expect("only fails for 0; client always stores genesis; client already queried; qed");
self.sync.with_context(|ctx|
self.on_demand.header_by_number(ctx, req)
.map(Some)
.map_err(err_premature_cancel)
.boxed()
)
let (sync, on_demand) = (self.sync.clone(), self.on_demand.clone());
self.sync.with_context(|ctx| {
let fut = self.on_demand.hash_by_number(ctx, req)
.map(request::HeaderByHash)
.map_err(err_premature_cancel);
fut.and_then(move |req| {
match sync.with_context(|ctx| on_demand.header_by_hash(ctx, req)) {
Some(fut) => fut.map_err(err_premature_cancel).boxed(),
None => future::err(errors::network_disabled()).boxed(),
}
}).map(Some).boxed()
})
}
}
}
@@ -149,7 +156,7 @@ impl EthClient {
sync.with_context(|ctx| on_demand.account(ctx, request::Account {
header: header,
address: address,
}).map(Some))
}))
.map(|x| x.map_err(err_premature_cancel).boxed())
.unwrap_or_else(|| future::err(errors::network_disabled()).boxed())
}).boxed()