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add local setup to README (#283)

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* adds local setup RelayChain, ParaChain and Registration

* cleanup

* removes metadata types adds parachain id placeholder

* spelling

* update parachain id information

Co-authored-by: Bastian Köcher <bkchr@users.noreply.github.com>

Co-authored-by: Bastian Köcher <bkchr@users.noreply.github.com>
This commit is contained in:
BenWhiteJam
2021-01-11 21:48:07 +01:00
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parent 5dfd0756ef
commit 95d3b001d5
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README.md
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@@ -77,3 +77,50 @@ parachain ID used for registration with the relay chain:
The network uses horizontal message passing (HRMP) to enable communication between parachains and
the relay chain and, in turn, between parachains. This means that every message is sent to the relay
chain, and from the relay chain to its destination parachain.
## Launch a local setup including a Relay Chain and a Parachain
### Launch the Relay Chain
```bash
# Compile Polkadot with the real overseer feature
git clone https://github.com/paritytech/polkadot
git checkout master
cargo build --release --features=real-overseer
# Generate a raw chain spec
./target/release/polkadot build-spec --chain rococo-local --disable-default-bootnode --raw > rococo-local-cfde-real-overseer.json
# Alice
./target/release/polkadot --chain rococo-local-cfde-real-overseer.json --alice --tmp
# Bob (In a separate terminal)
./target/release/polkadot --chain rococo-local-cfde-real-overseer.json --bob --tmp --port 30334
```
### Launch the Parachain
```bash
# Compile
git clone https://github.com/paritytech/cumulus
git checkout master
cargo build --release
# Export genesis state
# --parachain-id 200 as an example that can be chosen freely. Make sure to everywhere use the same parachain id
./target/release/rococo-collator export-genesis-state --parachain-id 200 > genesis-state
# Export genesis wasm
./target/release/rococo-collator export-genesis-wasm > genesis-wasm
# Collator1
./target/release/rococo-collator --collator --tmp --parachain-id <parachain_id_u32_type_range> --port 40335 --ws-port 9946 -- --execution wasm --chain ../polkadot/rococo-local-cfde-real-overseer.json --port 30335
# Collator2
./target/release/rococo-collator --collator --tmp --parachain-id <parachain_id_u32_type_range> --port 40336 --ws-port 9947 -- --execution wasm --chain ../polkadot/rococo-local-cfde-real-overseer.json --port 30336
# Parachain Full Node 1
./target/release/rococo-collator --tmp --parachain-id <parachain_id_u32_type_range> --port 40337 --ws-port 9948 -- --execution wasm --chain ../polkadot/rococo-local-cfde-real-overseer.json --port 30337
```
### Register the parachain
![image](https://user-images.githubusercontent.com/2915325/99548884-1be13580-2987-11eb-9a8b-20be658d34f9.png)