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Updated sync algo desription

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arkpar 2016-11-17 13:01:50 +01:00
parent 5bddcd8003
commit d890dd6f42
1 changed files with 5 additions and 3 deletions
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8
sync/src/chain.rs
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@ -37,7 +37,7 @@
/// Workflow for `ChainHead` state. /// Workflow for `ChainHead` state.
/// In this state we try to get subchain headers with a single `GetBlockHeaders` request. /// In this state we try to get subchain headers with a single `GetBlockHeaders` request.
/// On `NewPeer` / On `Restart`: /// On `NewPeer` / On `Restart`:
/// If peer's total difficulty is higher, request N/M headers with interval M+1 starting from l /// If peer's total difficulty is higher and there are less than 5 peers downloading, request N/M headers with interval M+1 starting from l
/// On `BlockHeaders(R)`: /// On `BlockHeaders(R)`:
/// If R is empty: /// If R is empty:
/// If l is equal to genesis block hash or l is more than 1000 blocks behind our best hash: /// If l is equal to genesis block hash or l is more than 1000 blocks behind our best hash:
@ -49,8 +49,8 @@
/// Else /// Else
/// Set S to R, set s to `Blocks`. /// Set S to R, set s to `Blocks`.
/// ///
///
/// All other messages are ignored. /// All other messages are ignored.
///
/// Workflow for `Blocks` state. /// Workflow for `Blocks` state.
/// In this state we download block headers and bodies from multiple peers. /// In this state we download block headers and bodies from multiple peers.
/// On `NewPeer` / On `Restart`: /// On `NewPeer` / On `Restart`:
@ -62,7 +62,9 @@
/// ///
/// On `BlockHeaders(R)`: /// On `BlockHeaders(R)`:
/// If R is empty remove current peer from P and restart. /// If R is empty remove current peer from P and restart.
/// Validate received headers. For each header find a parent in H or R or the blockchain. Restart if there is a block with unknown parent. /// Validate received headers:
/// For each header find a parent in H or R or the blockchain. Restart if there is a block with unknown parent.
/// Find at least one header from the received list in S. Restart if there is none.
/// Go to `CollectBlocks`. /// Go to `CollectBlocks`.
/// ///
/// On `BlockBodies(R)`: /// On `BlockBodies(R)`: