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SrcChainConfig

Struct SrcChainConfig 

pub struct SrcChainConfig(/* private fields */);
Expand description

Configuration for the Polkadot Relay Chain. This should not be used to connect to any other chain; instead use [crate::config::SubstrateConfig] and configure that as needed to support the chain you’re connecting to.

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impl PolkadotConfig

pub fn new() -> PolkadotConfig

Create a new, default, PolkadotConfig.

pub fn builder() -> PolkadotConfigBuilder

Build a new PolkadotConfig.

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impl Clone for PolkadotConfig

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fn clone(&self) -> PolkadotConfig

Returns a duplicate of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Config for PolkadotConfig

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type AccountId = <SubstrateConfig as Config>::AccountId

The account ID type; required for constructing extrinsics.
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type Signature = <SubstrateConfig as Config>::Signature

The signature type.
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type Hasher = <SubstrateConfig as Config>::Hasher

The hashing system (algorithm) being used in the runtime (e.g. Blake2). This is created on demand with the relevant metadata for a given block, and can then be used to hash things at that block.
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type Header = <SubstrateConfig as Config>::Header

The block header.
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type AssetId = <SubstrateConfig as Config>::AssetId

This is used to identify an asset in the ChargeAssetTxPayment signed extension.
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type Address = MultiAddress<<PolkadotConfig as Config>::AccountId, ()>

The address type; required for constructing extrinsics.
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type TransactionExtensions = (VerifySignature<PolkadotConfig>, CheckSpecVersion, CheckTxVersion, CheckNonce, CheckGenesis<PolkadotConfig>, CheckMortality<PolkadotConfig>, ChargeAssetTxPayment<PolkadotConfig>, ChargeTransactionPayment, CheckMetadataHash)

This type defines the extrinsic extra and additional parameters.
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fn genesis_hash( &self, ) -> Option<<<PolkadotConfig as Config>::Hasher as Hasher>::Hash>

The starting hash for the chain we’re connecting to. This is required for constructing transactions. Read more
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fn legacy_types_for_spec_version( &self, spec_version: u32, ) -> Option<TypeRegistrySet<'_>>

Return legacy types (ie types to use with Runtimes that return pre-V14 metadata) for a given spec version. If this returns None, subxt will return an error if type definitions are needed to access some older block. Read more
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fn spec_and_transaction_version_for_block_number( &self, block_number: u64, ) -> Option<(u32, u32)>

Return a tuple of the spec version and then transaction version for a given block number, if available. Read more
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fn metadata_for_spec_version(&self, spec_version: u32) -> Option<Arc<Metadata>>

Return the metadata for a given spec version, if available. Read more
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fn set_metadata_for_spec_version( &self, spec_version: u32, metadata: Arc<Metadata>, )

Set some metadata for a given spec version. the [crate::client::OnlineClient] will call this if it has to retrieve metadata from the chain, to give this the opportunity to cache it. The configuration can do nothing if it prefers.
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impl Debug for PolkadotConfig

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fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), Error>

Formats the value using the given formatter. Read more
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impl Default for PolkadotConfig

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fn default() -> PolkadotConfig

Returns the “default value” for a type. Read more

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