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‎datdot-node/LICENSE‎

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This is free and unencumbered software released into the public domain.
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Anyone is free to copy, modify, publish, use, compile, sell, or
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distribute this software, either in source code form or as a compiled
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binary, for any purpose, commercial or non-commercial, and by any
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means.
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In jurisdictions that recognize copyright laws, the author or authors
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of this software dedicate any and all copyright interest in the
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software to the public domain. We make this dedication for the benefit
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of the public at large and to the detriment of our heirs and
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successors. We intend this dedication to be an overt act of
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relinquishment in perpetuity of all present and future rights to this
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software under copyright law.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR
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OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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OTHER DEALINGS IN THE SOFTWARE.
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For more information, please refer to <http://unlicense.org>

‎datdot-node/README.md‎

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# Substrate Node Template
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A new FRAME-based Substrate node, ready for hacking.
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## Build
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Install Rust:
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```bash
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curl https://sh.rustup.rs -sSf | sh
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```
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Initialize your Wasm Build environment:
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```bash
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./scripts/init.sh
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```
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Build Wasm and native code:
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```bash
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cargo build --release
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```
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## Run
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### Single node development chain
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Purge any existing developer chain state:
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```bash
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./target/release/node-template purge-chain --dev
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```
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Start a development chain with:
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```bash
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./target/release/node-template --dev
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```
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Detailed logs may be shown by running the node with the following environment variables set: `RUST_LOG=debug RUST_BACKTRACE=1 cargo run -- --dev`.
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### Multi-node local testnet
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If you want to see the multi-node consensus algorithm in action locally, then you can create a local testnet with two validator nodes for Alice and Bob, who are the initial authorities of the genesis chain that have been endowed with testnet units.
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Optionally, give each node a name and expose them so they are listed on the Polkadot [telemetry site](https://telemetry.polkadot.io/#/Local%20Testnet).
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You'll need two terminal windows open.
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We'll start Alice's substrate node first on default TCP port 30333 with her chain database stored locally at `/tmp/alice`. The bootnode ID of her node is `QmRpheLN4JWdAnY7HGJfWFNbfkQCb6tFf4vvA6hgjMZKrR`, which is generated from the `--node-key` value that we specify below:
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```bash
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cargo run -- \
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--base-path /tmp/alice \
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--chain=local \
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--alice \
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--node-key 0000000000000000000000000000000000000000000000000000000000000001 \
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--telemetry-url 'ws://telemetry.polkadot.io:1024 0' \
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--validator
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```
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In the second terminal, we'll start Bob's substrate node on a different TCP port of 30334, and with his chain database stored locally at `/tmp/bob`. We'll specify a value for the `--bootnodes` option that will connect his node to Alice's bootnode ID on TCP port 30333:
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```bash
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cargo run -- \
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--base-path /tmp/bob \
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--bootnodes /ip4/127.0.0.1/tcp/30333/p2p/QmRpheLN4JWdAnY7HGJfWFNbfkQCb6tFf4vvA6hgjMZKrR \
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--chain=local \
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--bob \
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--port 30334 \
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--telemetry-url 'ws://telemetry.polkadot.io:1024 0' \
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--validator
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```
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Additional CLI usage options are available and may be shown by running `cargo run -- --help`.

‎datdot-node/node/Cargo.toml‎

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[package]
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name = "datdot-node"
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version = "0.0.1"
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authors = ["Datdot Authors"]
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description = "Datdot Demo Node"
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edition = "2018"
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license = "Unlicense"
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build = "build.rs"
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homepage = "https://playproject.io"
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repository = "https://github.com/playproject-io/datdot-substrate"
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[package.metadata.docs.rs]
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targets = ["x86_64-unknown-linux-gnu"]
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[[bin]]
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name = "datdot-node"
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[dependencies]
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futures = "0.3.4"
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log = "0.4.8"
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structopt = "0.3.8"
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sc-cli = { version = "0.8.0-alpha.7" }
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sc-rpc = { version = "2.0.0-alpha.7" }
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sp-core = { version = "2.0.0-alpha.7" }
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sc-executor = { version = "0.8.0-alpha.7" }
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sc-service = { version = "0.8.0-alpha.7" }
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sp-inherents = { version = "2.0.0-alpha.7" }
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sc-transaction-pool = { version = "2.0.0-alpha.7" }
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sp-transaction-pool = { version = "2.0.0-alpha.7" }
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sc-network = { version = "0.8.0-alpha.7" }
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sc-consensus-babe = { version = "0.8.0-alpha.7" }
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sp-consensus-babe = { version = "0.8.0-alpha.7" }
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sp-authority-discovery = { version = "2.0.0-alpha.7" }
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sp-consensus = { version = "0.8.0-alpha.7" }
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sc-consensus = { version = "0.8.0-alpha.7" }
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sc-finality-grandpa = { version = "0.8.0-alpha.7" }
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sp-finality-grandpa = { version = "2.0.0-alpha.7" }
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sc-client-api = { version = "2.0.0-alpha.7" }
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sp-runtime = { version = "2.0.0-alpha.7" }
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sc-basic-authorship = { version = "0.8.0-alpha.7" }
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sc-authority-discovery = { version = "0.8.0-alpha.7" }
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pallet-im-online = { version = "2.0.0-alpha.7" }
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datdot-runtime = { version = "2.0.0-alpha.7", path = "../runtime" }
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[build-dependencies]
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substrate-build-script-utils = { version = "2.0.0-alpha.7" }

‎datdot-node/node/build.rs‎

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use substrate_build_script_utils::{generate_cargo_keys, rerun_if_git_head_changed};
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fn main() {
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generate_cargo_keys();
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rerun_if_git_head_changed();
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}

‎datdot-node/node/src/chain_spec.rs‎

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use sp_core::{Pair, Public, sr25519};
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use datdot_runtime::{
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primitives::AccountId, primitives::Signature, primitives::Balance,
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BabeConfig, BalancesConfig, GenesisConfig, GrandpaConfig, ElectionsConfig,
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SudoConfig, SystemConfig, WASM_BINARY, IndicesConfig, ImOnlineConfig,
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AuthorityDiscoveryConfig, CouncilConfig, TechnicalCommitteeConfig,
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DemocracyConfig, SessionConfig, SessionKeys,
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constants::currency::*
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};
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use sp_consensus_babe::AuthorityId as BabeId;
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use sp_finality_grandpa::AuthorityId as GrandpaId;
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use pallet_im_online::sr25519::{AuthorityId as ImOnlineId};
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use sp_authority_discovery::AuthorityId as AuthorityDiscoveryId;
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use sp_runtime::traits::{Verify, IdentifyAccount};
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use sc_service::ChainType;
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// Note this is the URL for the telemetry server
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//const STAGING_TELEMETRY_URL: &str = "wss://telemetry.polkadot.io/submit/";
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/// Specialized `ChainSpec`. This is a specialization of the general Substrate ChainSpec type.
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pub type ChainSpec = sc_service::GenericChainSpec<GenesisConfig>;
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/// Helper function to generate a crypto pair from seed
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pub fn get_from_seed<TPublic: Public>(seed: &str) -> <TPublic::Pair as Pair>::Public {
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TPublic::Pair::from_string(&format!("//{}", seed), None)
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.expect("static values are valid; qed")
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.public()
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}
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type AccountPublic = <Signature as Verify>::Signer;
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/// Helper function to generate an account ID from seed
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pub fn get_account_id_from_seed<TPublic: Public>(seed: &str) -> AccountId where
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AccountPublic: From<<TPublic::Pair as Pair>::Public>
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{
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AccountPublic::from(get_from_seed::<TPublic>(seed)).into_account()
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}
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/// Helper function to generate stash, controller and session key from seed
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pub fn authority_keys_from_seed(seed: &str) -> (
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AccountId,
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AccountId,
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GrandpaId,
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BabeId,
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ImOnlineId,
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AuthorityDiscoveryId,
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) {
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(
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get_account_id_from_seed::<sr25519::Public>(&format!("{}//stash", seed)),
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get_account_id_from_seed::<sr25519::Public>(seed),
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get_from_seed::<GrandpaId>(seed),
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get_from_seed::<BabeId>(seed),
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get_from_seed::<ImOnlineId>(seed),
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get_from_seed::<AuthorityDiscoveryId>(seed),
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)
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}
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pub fn development_config() -> ChainSpec {
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ChainSpec::from_genesis(
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"Development",
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"dev",
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ChainType::Development,
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|| testnet_genesis(
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vec![
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authority_keys_from_seed("Alice"),
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],
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get_account_id_from_seed::<sr25519::Public>("Alice"),
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Some(vec![
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get_account_id_from_seed::<sr25519::Public>("Alice"),
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get_account_id_from_seed::<sr25519::Public>("Bob"),
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get_account_id_from_seed::<sr25519::Public>("Alice//stash"),
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get_account_id_from_seed::<sr25519::Public>("Bob//stash"),
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]),
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true,
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),
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vec![],
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None,
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None,
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None,
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None,
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)
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}
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pub fn local_testnet_config() -> ChainSpec {
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ChainSpec::from_genesis(
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"Local Testnet",
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"local_testnet",
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ChainType::Local,
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|| testnet_genesis(
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vec![
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authority_keys_from_seed("Alice"),
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authority_keys_from_seed("Bob"),
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],
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get_account_id_from_seed::<sr25519::Public>("Alice"),
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Some(vec![
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get_account_id_from_seed::<sr25519::Public>("Alice"),
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get_account_id_from_seed::<sr25519::Public>("Bob"),
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get_account_id_from_seed::<sr25519::Public>("Charlie"),
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get_account_id_from_seed::<sr25519::Public>("Dave"),
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get_account_id_from_seed::<sr25519::Public>("Eve"),
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get_account_id_from_seed::<sr25519::Public>("Ferdie"),
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get_account_id_from_seed::<sr25519::Public>("Alice//stash"),
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get_account_id_from_seed::<sr25519::Public>("Bob//stash"),
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get_account_id_from_seed::<sr25519::Public>("Charlie//stash"),
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get_account_id_from_seed::<sr25519::Public>("Dave//stash"),
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get_account_id_from_seed::<sr25519::Public>("Eve//stash"),
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get_account_id_from_seed::<sr25519::Public>("Ferdie//stash"),
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]),
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true,
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),
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vec![],
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None,
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None,
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None,
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None,
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)
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}
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fn session_keys(
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grandpa: GrandpaId,
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babe: BabeId,
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im_online: ImOnlineId,
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authority_discovery: AuthorityDiscoveryId,
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) -> SessionKeys {
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SessionKeys { grandpa, babe, im_online, authority_discovery }
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}
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fn testnet_genesis(
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initial_authorities: Vec<(
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AccountId,
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AccountId,
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GrandpaId,
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BabeId,
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ImOnlineId,
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AuthorityDiscoveryId,
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)>,
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root_key: AccountId,
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endowed_accounts: Option<Vec<AccountId>>,
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enable_println: bool,
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) -> GenesisConfig {
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let endowed_accounts: Vec<AccountId> = endowed_accounts.unwrap_or_else(|| {
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vec![
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get_account_id_from_seed::<sr25519::Public>("Alice"),
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get_account_id_from_seed::<sr25519::Public>("Bob"),
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get_account_id_from_seed::<sr25519::Public>("Charlie"),
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get_account_id_from_seed::<sr25519::Public>("Dave"),
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get_account_id_from_seed::<sr25519::Public>("Eve"),
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get_account_id_from_seed::<sr25519::Public>("Ferdie"),
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get_account_id_from_seed::<sr25519::Public>("Alice//stash"),
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get_account_id_from_seed::<sr25519::Public>("Bob//stash"),
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get_account_id_from_seed::<sr25519::Public>("Charlie//stash"),
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get_account_id_from_seed::<sr25519::Public>("Dave//stash"),
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get_account_id_from_seed::<sr25519::Public>("Eve//stash"),
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get_account_id_from_seed::<sr25519::Public>("Ferdie//stash"),
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]
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});
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let num_endowed_accounts = endowed_accounts.len();
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const ENDOWMENT: Balance = 10_000_000 * DOLLARS;
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const STASH: Balance = 100 * DOLLARS;
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GenesisConfig {
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frame_system: Some(SystemConfig {
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code: WASM_BINARY.to_vec(),
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changes_trie_config: Default::default(),
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}),
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pallet_balances: Some(BalancesConfig {
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balances: endowed_accounts.iter().cloned()
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.map(|k| (k, ENDOWMENT))
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.chain(initial_authorities.iter().map(|x| (x.0.clone(), STASH)))
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.collect(),
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}),
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pallet_indices: Some(IndicesConfig {
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indices: vec![],
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}),
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pallet_session: Some(SessionConfig {
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keys: initial_authorities.iter().map(|x| {
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(x.0.clone(), x.0.clone(), session_keys(
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x.2.clone(),
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x.3.clone(),
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x.4.clone(),
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x.5.clone(),
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))
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}).collect::<Vec<_>>(),
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}),
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pallet_democracy: Some(DemocracyConfig::default()),
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pallet_elections_phragmen: Some(ElectionsConfig {
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members: endowed_accounts.iter()
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.take((num_endowed_accounts + 1) / 2)
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.cloned()
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.map(|member| (member, STASH))
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.collect(),
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}),
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pallet_collective_Instance1: Some(CouncilConfig::default()),
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pallet_collective_Instance2: Some(TechnicalCommitteeConfig {
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members: endowed_accounts.iter()
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.take((num_endowed_accounts + 1) / 2)
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.cloned()
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.collect(),
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phantom: Default::default(),
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}),
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pallet_sudo: Some(SudoConfig {
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key: root_key,
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}),
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pallet_babe: Some(BabeConfig {
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authorities: vec![],
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}),
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pallet_im_online: Some(ImOnlineConfig {
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keys: vec![],
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}),
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pallet_authority_discovery: Some(AuthorityDiscoveryConfig {
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keys: vec![],
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}),
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pallet_grandpa: Some(GrandpaConfig {
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authorities: vec![],
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}),
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pallet_membership_Instance1: Some(Default::default()),
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}
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}

‎datdot-node/node/src/cli.rs‎

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use sc_cli::{RunCmd, Subcommand};
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use structopt::StructOpt;
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#[derive(Debug, StructOpt)]
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pub struct Cli {
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#[structopt(subcommand)]
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pub subcommand: Option<Subcommand>,
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#[structopt(flatten)]
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pub run: RunCmd,
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}

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