Stub out architecture book (#1674)
* Stub out architecture documentation * Add book HTML generation and book tests to CI * Add heading * Better table of contents * Reference existing documentation Move ASCII art from code comments into rendered SVG * Attempt to fix CI * Add lamport docs And truncate lines to 80 characters * Fix links And reference shorter, newer description of PoH. * Replace ASCII art with SVG * Streamline for Pillbox * Update path before optional install * Use $CARGO_HOME instead of $HOME * Delete code Attempt to describe all data structures without code. * Boot RPU from docs, add JsonRpcService Also, use Rust naming conventions in the block diagrams to minimize the jump from docs to code. * Latest code uses tick_height * Rename bob/ folder to art/ A home for any ASCII art * Import JSON RPC API * More mdbook docs * Add Ncp * Cleanup links * Move pipelining description into fullnode description * Move high-level transaction docs into top-level doc * Delete unused files
This commit is contained in:
Greg Fitzgerald
GitHub
parent
d7ea66b6a1
commit
8be7c13d2d
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@ -1,5 +1,6 @@
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Cargo.lock
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Cargo.lock
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/target/
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/target/
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/doc/book/
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**/*.rs.bk
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**/*.rs.bk
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.cargo
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.cargo
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@ -11,6 +11,18 @@ _() {
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"$@"
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"$@"
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}
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}
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maybe_install() {
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for cmd in "$@"; do
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set +e
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"$cmd" --help > /dev/null 2>&1
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declare exitcode=$?
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set -e
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if [[ $exitcode -ne 0 ]]; then
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_ cargo install "$cmd"
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fi
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done
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}
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_ cargo fmt -- --check
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_ cargo fmt -- --check
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_ cargo build --verbose
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_ cargo build --verbose
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_ cargo test --verbose --lib
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_ cargo test --verbose --lib
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@ -33,6 +45,14 @@ for program in programs/native/*; do
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)
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)
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done
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done
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# Build the HTML
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export PATH=$CARGO_HOME/bin:$PATH
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maybe_install mdbook
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_ cd doc
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_ mdbook test
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_ mdbook build
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_ cd -
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echo --- ci/localnet-sanity.sh
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echo --- ci/localnet-sanity.sh
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(
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(
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set -x
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set -x
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@ -0,0 +1,25 @@
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## Building the Solana book
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Install mdbook:
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```bash
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cargo install mdbook
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```
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Run any Rust tests in the markdown:
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```bash
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mdbook test
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```
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Render markdown as HTML:
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```bash
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mdbook build
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```
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Render and view the book:
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```bash
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mdbook build --open
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```
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@ -0,0 +1,46 @@
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.---------------------.
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| Leader |
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| |
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.--------. | .----------------. |
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| |---->| | |
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| Client | | | JsonRpcService | |
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| |<----| | |
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`----+---` | `----------------` |
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| | ^ |
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| | | |
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| | .--+---. |
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| | | Bank | |
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| | `------` |
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| | ^ |
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| | | | .------------.
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| | .--+--. .-----. | | |
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`-------->| Tpu +-->| Ncp +------>| Validators |
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| `-----` `-----` | | |
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| | `------------`
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`---------------------`
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.-------------------------------.
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| Validator |
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| |
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.--------. | .----------------. |
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| |-------------->| | |
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| Client | | | JsonRpcService | |
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| |<--------------| | |
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`--------` | `----------------` |
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| ^ |
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| | |
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| .--+---. |
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| | Bank | |
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| `------` |
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| ^ |
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.--------. | | | .------------.
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| | | .--+--. | | |
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| Leader |<------------->| Tvu +<--------------->| |
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| | | `-----` | | Validators |
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| | | ^ | | |
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| | | | | | |
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| | | .--+--. | | |
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| |<------------->| Ncp +<--------------->| |
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| | | `-----` | | |
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`--------` | | `------------`
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`-------------------------------`
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@ -0,0 +1,9 @@
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+-----------+ +-------------+ +--------------+ +--------------------+
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| sigverify |--->| lock memory |--->| validate fee |--->| allocate accounts |--->
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+-----------+ +-------------+ +--------------+ +--------------------+
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+------------+ +---------+ +-=------------+ +--------------+
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--->| load data |--->| execute |--->| commit data |-->|unlock memory |
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+------------+ +---------+ +--------------+ +--------------+
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@ -0,0 +1,24 @@
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+---------------------+ +---------------------+
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| | | |
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| +------------+ | | +------------+ |
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| | | | | | | |
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| | frontend | | | | verifier | |
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| | | | | | | |
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| +-----+------+ | | +-----+------+ |
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| | | | | |
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| | | | | |
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| +-----+------+ | | +-----+------+ |
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| | | | | | | |
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| | llvm | | | | loader | |
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| | | +------>+ | | |
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| +-----+------+ | | +-----+------+ |
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| | | | | |
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| | | | | |
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| +-----+------+ | | +-----+------+ |
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| | | | | | | |
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| | ELF | | | | runtime | |
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| | | | | | | |
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| +------------+ | | +------------+ |
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| | | |
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| client | | solana |
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+---------------------+ +---------------------+
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@ -0,0 +1,21 @@
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.----------------------------------------------------.
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| Tpu .------------. |
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| | PohService | |
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| `-------+----` |
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| ^ | |
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|
| | v |
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|
| .-------. .-----------. .-+-------. .-------. |
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.---------. | | Fetch | | SigVerify | | Banking | | Write | | .------------.
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|
| Clients |--->| Stage |->| Stage |->| Stage |-->| Stage +--->| Validators |
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|
`---------` | | | | | | | | | | `------------`
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|
| `-------` `-----------` `----+----` `---+---` |
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| | | |
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| | | |
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| | | |
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| | | |
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`---------------------------------|------------|-----`
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| |
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v v
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.------. .--------.
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|
| Bank | | Ledger |
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`------` `--------`
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@ -0,0 +1,23 @@
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|
.------------------------------------------------.
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|
| |
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| .------------------------------------+------------.
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| | Tvu | |
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|
| | | |
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|
| | | | .------------.
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|
| | .----------------+-------------->| Validators |
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|
v | .-------. | | | `------------`
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|
.----+---. | | | .----+-------. .----+---------. |
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|
| Leader |--------->| Blob | | Retransmit | | Replicate | |
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`--------` | | Fetch |-->| Stage |-->| Stage / | |
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.------------. | | Stage | | | | Vote Stage | |
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|
| Validators |----->| | `------------` `----+---------` |
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|
`------------` | `-------` | |
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|
| | |
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|
| | |
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|
| | |
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|
`------------------------------------|------------`
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|
|
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|
v
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|
.------.
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| Bank |
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|
`------`
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@ -0,0 +1,27 @@
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|
# Solana Architecture
|
||||||
|
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||||||
|
- [Introduction](ch00-00-introduction.md)
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|
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||||||
|
- [Synchronization](ch01-00-synchronization.md)
|
||||||
|
- [Introduction to VDFs](ch01-01-vdf.md)
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|
- [Proof of History](ch01-02-poh.md)
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|
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||||||
|
- [Fullnode](ch02-00-fullnode.md)
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|
- [Tpu](ch02-02-tpu.md)
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|
- [Tvu](ch02-03-tvu.md)
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|
- [Ncp](ch02-04-ncp.md)
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||||||
|
- [JsonRpcService](ch02-05-jsonrpc-service.md)
|
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|
|
||||||
|
- [Avalanche replication](ch03-00-avalanche.md)
|
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|
- [Proof of replication](ch03-01-porep.md)
|
||||||
|
|
||||||
|
- [On-chain programs](ch04-00-scaling-programs.md)
|
||||||
|
- [The Runtime](ch04-01-runtime.md)
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||||||
|
- [Ledger format](ch04-02-ledger.md)
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|
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||||||
|
## Appendix
|
||||||
|
|
||||||
|
- [Appendix](appendix-00.md)
|
||||||
|
- [Terminology](appendix-01-terminology.md)
|
||||||
|
- [JSON RPC API](appendix-02-jsonrpc-api.md)
|
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|
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|
@ -0,0 +1,4 @@
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|
# Appendix
|
||||||
|
|
||||||
|
The following sections contain reference material you may find useful in your
|
||||||
|
Solana journey.
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||||||
|
|
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||||||
|
## Appendix A: Terminology
|
||||||
|
|
||||||
|
### Teminology Currently in Use
|
||||||
|
|
||||||
|
The following list contains words commonly used throughout the Solana architecture.
|
||||||
|
|
||||||
|
* account - a persistent file addressed by pubkey and with tokens tracking its lifetime
|
||||||
|
* cluster - a set of fullnodes maintaining a single ledger
|
||||||
|
* finality - the wallclock duration between a leader creating a tick entry and recoginizing
|
||||||
|
a supermajority of validator votes with a ledger interpretation that matches the leader's
|
||||||
|
* fullnode - a full participant in the cluster - either a leader or validator node
|
||||||
|
* entry - an entry on the ledger - either a tick or a transactions entry
|
||||||
|
* instruction - the smallest unit of a program that a client can include in a transaction
|
||||||
|
* keypair - a public and secret key
|
||||||
|
* mips - millions of instructions per second
|
||||||
|
* node count - the number of fullnodes participating in a cluster
|
||||||
|
* program - the code that interprets instructions
|
||||||
|
* pubkey - the public key of a keypair
|
||||||
|
* tick - a ledger entry that estimates wallclock duration
|
||||||
|
* tick height - the Nth tick in the ledger
|
||||||
|
* tps - transactions per second
|
||||||
|
* transaction - one or more instructions signed by the client and executed atomically
|
||||||
|
* transactions entry - a set of transactions that may be executed in parallel
|
||||||
|
|
||||||
|
|
||||||
|
### Terminology Reserved for Future Use
|
||||||
|
|
||||||
|
The following keywords do not have any functionality but are reserved by Solana
|
||||||
|
for potential future use.
|
||||||
|
|
||||||
|
* mips - millions of instructions per second
|
||||||
|
* public key - We currently use `pubkey`
|
||||||
|
* secret key - Users currently only use `keypair`
|
||||||
|
|
@ -1,4 +1,4 @@
|
||||||
Solana JSON RPC API
|
JSON RPC API
|
||||||
===
|
===
|
||||||
|
|
||||||
Solana nodes accept HTTP requests using the [JSON-RPC 2.0](https://www.jsonrpc.org/specification) specification.
|
Solana nodes accept HTTP requests using the [JSON-RPC 2.0](https://www.jsonrpc.org/specification) specification.
|
||||||
|
|
@ -0,0 +1,31 @@
|
||||||
|
# Introduction
|
||||||
|
|
||||||
|
This document defines the architecture of Solana, a blockchain built from the
|
||||||
|
ground up for scale. The goal of the architecture is to demonstrate there
|
||||||
|
exists a set of software algorithms that in combination, removes software as a
|
||||||
|
performance bottleneck, allowing transaction throughput to scale proportionally
|
||||||
|
with network bandwidth. The architecture goes on to satisfy all three desirable
|
||||||
|
properties of a proper blockchain, that it not only be scalable, but that it is
|
||||||
|
also secure and decentralized.
|
||||||
|
|
||||||
|
With this architecture, we calculate a theoretical upper bound of 710 thousand
|
||||||
|
transactions per second (tps) on a standard gigabit network and 28.4 million
|
||||||
|
tps on 40 gigabit. In practice, our focus has been on gigabit. We soak-tested
|
||||||
|
a 150 node permissioned testnet and it is able to maintain a mean transaction
|
||||||
|
throughput of approximately 200 thousand tps with peaks over 400 thousand.
|
||||||
|
|
||||||
|
Furthermore, we have found high throughput extends beyond simple payments, and
|
||||||
|
that this architecture is also able to perform safe, concurrent execution of
|
||||||
|
programs authored in a general purpose programming language, such as C. We feel
|
||||||
|
the extension warrants industry focus on an additional performance metric
|
||||||
|
already common in the CPU industry, millions of *instructions* per second or
|
||||||
|
mips. By measuring mips, we see that batching instructions within a transaction
|
||||||
|
amortizes the cost of signature verification, lifting the maximum theoretical
|
||||||
|
instruction throughput up to almost exactly that of centralized databases.
|
||||||
|
|
||||||
|
Lastly, we discuss the relationships between high throughput, security and
|
||||||
|
transaction fees. Solana's efficient use hardware drives transaction fees into
|
||||||
|
the ballpark of 1/1000th of a cent. The drop in fees in turn makes certain
|
||||||
|
denial of service attacks cheaper. We discuss what these attacks look like and
|
||||||
|
Solana's techniques to defend against them.
|
||||||
|
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|
@ -0,0 +1,38 @@
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|
# Synchronization
|
||||||
|
|
||||||
|
It's possible for a centralized database to process 710,000 transactions per
|
||||||
|
second on a standard gigabit network if the transactions are, on average, no
|
||||||
|
more than 176 bytes. A centralized database can also replicate itself and
|
||||||
|
maintain high availability without significantly compromising that transaction
|
||||||
|
rate using the distributed system technique known as Optimistic Concurrency
|
||||||
|
Control [\[H.T.Kung, J.T.Robinson
|
||||||
|
(1981)\]](http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.65.4735). At
|
||||||
|
Solana, we're demonstrating that these same theoretical limits apply just as
|
||||||
|
well to blockchain on an adversarial network. The key ingredient? Finding a way
|
||||||
|
to share time when nodes can't trust one-another. Once nodes can trust time,
|
||||||
|
suddenly ~40 years of distributed systems research becomes applicable to
|
||||||
|
blockchain!
|
||||||
|
|
||||||
|
> Perhaps the most striking difference between algorithms obtained by our
|
||||||
|
> method and ones based upon timeout is that using timeout produces a
|
||||||
|
> traditional distributed algorithm in which the processes operate
|
||||||
|
> asynchronously, while our method produces a globally synchronous one in which
|
||||||
|
> every process does the same thing at (approximately) the same time. Our
|
||||||
|
> method seems to contradict the whole purpose of distributed processing, which
|
||||||
|
> is to permit different processes to operate independently and perform
|
||||||
|
> different functions. However, if a distributed system is really a single
|
||||||
|
> system, then the processes must be synchronized in some way. Conceptually,
|
||||||
|
> the easiest way to synchronize processes is to get them all to do the same
|
||||||
|
> thing at the same time. Therefore, our method is used to implement a kernel
|
||||||
|
> that performs the necessary synchronization--for example, making sure that
|
||||||
|
> two different processes do not try to modify a file at the same time.
|
||||||
|
> Processes might spend only a small fraction of their time executing the
|
||||||
|
> synchronizing kernel; the rest of the time, they can operate
|
||||||
|
> independently--e.g., accessing different files. This is an approach we have
|
||||||
|
> advocated even when fault-tolerance is not required. The method's basic
|
||||||
|
> simplicity makes it easier to understand the precise properties of a system,
|
||||||
|
> which is crucial if one is to know just how fault-tolerant the system is.
|
||||||
|
> [\[L.Lamport
|
||||||
|
> (1984)\]](http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.71.1078)
|
||||||
|
|
||||||
|
|
||||||
|
|
@ -0,0 +1,18 @@
|
||||||
|
# Introduction to VDFs
|
||||||
|
|
||||||
|
A Verifiable Delay Function is conceptually a water clock where its water marks
|
||||||
|
can be recorded and later verified that the water most certainly passed
|
||||||
|
through. Anatoly describes the water clock analogy in detail here:
|
||||||
|
|
||||||
|
[water clock analogy](https://medium.com/solana-labs/proof-of-history-explained-by-a-water-clock-e682183417b8)
|
||||||
|
|
||||||
|
The same technique has been used in Bitcoin since day one. The Bitcoin feature
|
||||||
|
is called nLocktime and it can be used to postdate transactions using block
|
||||||
|
height instead of a timestamp. As a Bitcoin client, you'd use block height
|
||||||
|
instead of a timestamp if you don't trust the network. Block height turns out
|
||||||
|
to be an instance of what's being called a Verifiable Delay Function in
|
||||||
|
cryptography circles. It's a cryptographically secure way to say time has
|
||||||
|
passed. In Solana, we use a far more granular verifiable delay function, a SHA
|
||||||
|
256 hash chain, to checkpoint the ledger and coordinate consensus. With it, we
|
||||||
|
implement Optimistic Concurrency Control and are now well en route towards that
|
||||||
|
theoretical limit of 710,000 transactions per second.
|
||||||
|
|
@ -0,0 +1,43 @@
|
||||||
|
# Proof of History
|
||||||
|
|
||||||
|
[Proof of History overview](https://medium.com/solana-labs/proof-of-history-a-clock-for-blockchain-cf47a61a9274)
|
||||||
|
|
||||||
|
## Relationship to consensus mechanisms
|
||||||
|
|
||||||
|
Most confusingly, a Proof of History (PoH) is more similar to a Verifiable
|
||||||
|
Delay Function (VDF) than a Proof of Work or Proof of Stake consensus
|
||||||
|
mechanism. The name unfortunately requires some historical context to
|
||||||
|
understand. Proof of History was developed by Anatoly Yakovenko in November of
|
||||||
|
2017, roughly 6 months before we saw a [paper using the term
|
||||||
|
VDF](https://eprint.iacr.org/2018/601.pdf). At that time, it was commonplace to
|
||||||
|
publish new proofs of some desirable property used to build most any blockchain
|
||||||
|
component. Some time shortly after, the crypto community began charting out all
|
||||||
|
the different consensus mechanisms and because most of them started with "Proof
|
||||||
|
of", the prefix became synonymous with a "consensus" suffix. Proof of History
|
||||||
|
is not a consensus mechanism, but it is used to improve the performance of
|
||||||
|
Solana's Proof of Stake consensus. It is also used to improve the performance
|
||||||
|
of the replication and storage protocols. To minimize confusion, Solana may
|
||||||
|
rebrand PoH to some flavor of the term VDF.
|
||||||
|
|
||||||
|
|
||||||
|
## Relationship to VDFs
|
||||||
|
|
||||||
|
A desirable property of a VDF is that verification time is very fast. Solana's
|
||||||
|
approach to verifying its delay function is proportional to the time it took to
|
||||||
|
create it. Split over a 4000 core GPU, it is sufficiently fast for Solana's
|
||||||
|
needs, but if you asked the authors the paper cited above, they might tell you
|
||||||
|
(and have) that Solana's approach is algorithmically slow it shouldn't be
|
||||||
|
called a VDF. We argue the term VDF should represent the category of verifiable
|
||||||
|
delay functions and not just the subset with certain performance
|
||||||
|
characteristics. Until that's resolved, Solana will likely continue using the
|
||||||
|
term PoH for its application-specific VDF.
|
||||||
|
|
||||||
|
Another difference between PoH and VDFs used only for tracking duration, is
|
||||||
|
that PoH's hash chain includes hashes of any data the application observed.
|
||||||
|
That data is a double-edged sword. On one side, the data "proves history" -
|
||||||
|
that the data most certainly existed before hashes after it. On the side, it
|
||||||
|
means the application can manipulate the hash chain by changing *when* the data
|
||||||
|
is hashed. The PoH chain therefore does not serve as a good source of
|
||||||
|
randomness whereas a VDF without that data could. Solana's leader selection
|
||||||
|
algorithm (TODO: add link), for example, is derived only from the VDF *height*
|
||||||
|
and not its hash at that height.
|
||||||
|
|
@ -0,0 +1,7 @@
|
||||||
|
# Fullnode
|
||||||
|
|
||||||
|
<img alt="Fullnode block diagrams" src="img/fullnode.svg" class="center"/>
|
||||||
|
|
||||||
|
## Pipelining
|
||||||
|
|
||||||
|
## Pipeline Stages
|
||||||
|
|
@ -0,0 +1,5 @@
|
||||||
|
# The Tpu
|
||||||
|
|
||||||
|
<img alt="Tpu block diagram" src="img/tpu.svg" class="center"/>
|
||||||
|
|
||||||
|
The Transaction Processing Unit
|
||||||
|
|
@ -0,0 +1,5 @@
|
||||||
|
# Tvu
|
||||||
|
|
||||||
|
<img alt="Tvu block diagram" src="img/tvu.svg" class="center"/>
|
||||||
|
|
||||||
|
The Transaction Validation Unit
|
||||||
|
|
@ -0,0 +1,3 @@
|
||||||
|
# Ncp
|
||||||
|
|
||||||
|
The Network Control Plane implements a gossip network between all nodes on in the cluster.
|
||||||
|
|
@ -0,0 +1 @@
|
||||||
|
# JsonRpcService
|
||||||
|
|
@ -0,0 +1,22 @@
|
||||||
|
# Avalanche replication
|
||||||
|
|
||||||
|
The [Avalance explainer video](https://www.youtube.com/watch?v=qt_gDRXHrHQ) is
|
||||||
|
a conceptual overview of how a Solana leader can continuously process a gigabit
|
||||||
|
of transaction data per second and then get that same data, after being
|
||||||
|
recorded on the ledger, out to multiple validators on a single gigabit
|
||||||
|
backplane.
|
||||||
|
|
||||||
|
In practice, we found that just one level of the Avalanche validator tree is
|
||||||
|
sufficient for at least 150 validators. We anticipate adding the second level
|
||||||
|
to solve one of two problems:
|
||||||
|
|
||||||
|
1. To transmit ledger segments to slower "replicator" nodes.
|
||||||
|
2. To scale up the number of validators nodes.
|
||||||
|
|
||||||
|
Both problems justify the additional level, but you won't find it implemented
|
||||||
|
in the reference design just yet, because Solana's gossip implementation is
|
||||||
|
currently the bottleneck on the number of nodes per Solana cluster. That work
|
||||||
|
is being actively developed here:
|
||||||
|
|
||||||
|
[Scalable Gossip](https://github.com/solana-labs/solana/pull/1546)
|
||||||
|
|
||||||
|
|
@ -0,0 +1 @@
|
||||||
|
# Proof of replication
|
||||||
|
|
@ -0,0 +1,26 @@
|
||||||
|
# The LAMPORT execution environment
|
||||||
|
|
||||||
|
## Introduction
|
||||||
|
|
||||||
|
With LAMPORT (Language-Agnostic, Memory-oriented, Parallel-friendly, Optimized
|
||||||
|
Run-Time), we can execute smart contracts concurrently, and written in the
|
||||||
|
client’s choice of programming language. Furthermore, we demonstrate Solana’s
|
||||||
|
built-in smart contract language Budget can target LAMPORT without any loss in
|
||||||
|
performance. The two features that allow LAMPORT to work:
|
||||||
|
|
||||||
|
Client-owned memory identified by public keys. By declaring ownership upfront
|
||||||
|
and separating the program’s state from the program, the runtime knows which
|
||||||
|
contracts can safely be executed concurrently. Solana’s blockchain-encoded VDF
|
||||||
|
tells validator nodes at precisely what times they need to end up in the same
|
||||||
|
state. Between those times, they are free to introduce non-deterministic
|
||||||
|
behavior as-needed to improve execution times.
|
||||||
|
|
||||||
|
## Toolchain Stack
|
||||||
|
|
||||||
|
<img alt="SDK tools" src="img/sdk-tools.svg" class="center"/>
|
||||||
|
|
||||||
|
As shown in the diagram above an untrusted client, creates a program in the
|
||||||
|
front-end language of her choice, (like C/C++/Rust/Lua), and compiles it with
|
||||||
|
LLVM to a position independent shared object ELF, targeting BPF bytecode.
|
||||||
|
Solana will safely load and execute the ELF.
|
||||||
|
|
||||||
|
|
@ -0,0 +1,94 @@
|
||||||
|
# Runtime
|
||||||
|
|
||||||
|
The goal with the runtime is to have a general purpose execution environment
|
||||||
|
that is highly parallelizable. To achieve this goal the runtime forces each
|
||||||
|
Instruction to specify all of its memory dependencies up front, and therefore a
|
||||||
|
single Instruction cannot cause a dynamic memory allocation. An explicit
|
||||||
|
Instruction for memory allocation from the `SystemProgram::CreateAccount` is
|
||||||
|
the only way to allocate new memory in the engine. A Transaction may compose
|
||||||
|
multiple Instruction, including `SystemProgram::CreateAccount`, into a single
|
||||||
|
atomic sequence which allows for memory allocation to achieve a result that is
|
||||||
|
similar to dynamic allocation.
|
||||||
|
|
||||||
|
|
||||||
|
### State
|
||||||
|
|
||||||
|
State is addressed by an Account which is at the moment simply the Pubkey. Our
|
||||||
|
goal is to eliminate memory allocation from within the program itself. Thus
|
||||||
|
the client of the program provides all the state that is necessary for the
|
||||||
|
program to execute in the transaction itself. The runtime interacts with the
|
||||||
|
program through an entry point with a well defined interface. The userdata
|
||||||
|
stored in an Account is an opaque type to the runtime, a `Vec<u8>`, the
|
||||||
|
contents of which the program code has full control over.
|
||||||
|
|
||||||
|
The Transaction structure specifies a list of Pubkey's and signatures for those
|
||||||
|
keys and a sequential list of instructions that will operate over the state's
|
||||||
|
associated with the `account_keys`. For the transaction to be committed all
|
||||||
|
the instructions must execute successfully, if any abort the whole transaction
|
||||||
|
fails to commit.
|
||||||
|
|
||||||
|
### Account structure Accounts maintain token state as well as program specific
|
||||||
|
memory.
|
||||||
|
|
||||||
|
# Transaction Engine
|
||||||
|
|
||||||
|
At its core, the engine looks up all the Pubkeys maps them to accounts and
|
||||||
|
routs them to the `program_id` entry point.
|
||||||
|
|
||||||
|
## Execution
|
||||||
|
|
||||||
|
Transactions are batched and processed in a pipeline
|
||||||
|
|
||||||
|
<img alt="LAMPORT pipeline" src="img/lamport.svg" class="center"/>
|
||||||
|
|
||||||
|
At the `execute` stage, the loaded pages have no data dependencies, so all the
|
||||||
|
programs can be executed in parallel.
|
||||||
|
|
||||||
|
The runtime enforces the following rules:
|
||||||
|
|
||||||
|
1. The `program_id` code is the only code that will modify the contents of
|
||||||
|
`Account::userdata` of Account's that have been assigned to it. This means
|
||||||
|
that upon assignment userdata vector is guaranteed to be `0`.
|
||||||
|
2. Total balances on all the accounts is equal before and after execution of a
|
||||||
|
Transaction.
|
||||||
|
3. Balances of each of the accounts not assigned to `program_id` must be equal
|
||||||
|
to or greater after the Transaction than before the transaction.
|
||||||
|
4. All Instructions in the Transaction executed without a failure.
|
||||||
|
|
||||||
|
## Entry Point Execution of the program involves mapping the Program's public
|
||||||
|
key to an entry point which takes a pointer to the transaction, and an array of
|
||||||
|
loaded pages.
|
||||||
|
|
||||||
|
## System Interface
|
||||||
|
|
||||||
|
The interface is best described by the `Instruction::userdata` that the
|
||||||
|
user encodes.
|
||||||
|
* `CreateAccount` - This allows the user to create and assign an Account to a
|
||||||
|
Program.
|
||||||
|
* `Assign` - allows the user to assign an existing account to a `Program`.
|
||||||
|
* `Move` - moves tokens between `Account`s that are associated with
|
||||||
|
`SystemProgram`. This cannot be used to move tokens of other `Account`s.
|
||||||
|
Programs need to implement their own version of Move.
|
||||||
|
|
||||||
|
## Notes
|
||||||
|
|
||||||
|
1. There is no dynamic memory allocation. Client's need to call the
|
||||||
|
`SystemProgram` to create memory before passing it to another program. This
|
||||||
|
Instruction can be composed into a single Transaction with the call to the
|
||||||
|
program itself.
|
||||||
|
2. Runtime guarantees that when memory is assigned to the `Program` it is zero
|
||||||
|
initialized.
|
||||||
|
3. Runtime guarantees that `Program`'s code is the only thing that can modify
|
||||||
|
memory that its assigned to
|
||||||
|
4. Runtime guarantees that the `Program` can only spend tokens that are in
|
||||||
|
`Account`s that are assigned to it
|
||||||
|
5. Runtime guarantees the balances belonging to `Account`s are balanced before
|
||||||
|
and after the transaction
|
||||||
|
6. Runtime guarantees that multiple instructions all executed successfully when
|
||||||
|
a transaction is committed.
|
||||||
|
|
||||||
|
# Future Work
|
||||||
|
|
||||||
|
* [Continuations and Signals for long running
|
||||||
|
Transactions](https://github.com/solana-labs/solana/issues/1485)
|
||||||
|
|
||||||
|
|
@ -0,0 +1 @@
|
||||||
|
# Ledger format
|
||||||
|
|
@ -0,0 +1,475 @@
|
||||||
|
<svg class="bob" font-family="arial" font-size="14" height="736" width="520" xmlns="http://www.w3.org/2000/svg">
|
||||||
|
<defs>
|
||||||
|
<marker id="triangle" markerHeight="8" markerWidth="8" orient="auto" refX="4" refY="2" viewBox="0 0 8 4">
|
||||||
|
<polygon fill="black" points="0,0 0,4 8,2 0,0"/>
|
||||||
|
</marker>
|
||||||
|
<marker id="clear_triangle" markerHeight="10" markerWidth="10" orient="auto" refX="1" refY="7" viewBox="0 0 20 14">
|
||||||
|
<polygon fill="none" points="2,2 2,12 18,7 2,2" stroke="black" stroke-width="2"/>
|
||||||
|
</marker>
|
||||||
|
<marker id="circle" markerHeight="5" markerWidth="5" orient="auto" refX="10" refY="10" viewBox="0 0 20 20">
|
||||||
|
<circle cx="10" cy="10" fill="black" r="8"/>
|
||||||
|
</marker>
|
||||||
|
<marker id="square" markerHeight="5" markerWidth="5" orient="auto" refX="10" refY="10" viewBox="0 0 20 20">
|
||||||
|
<rect fill="black" height="20" width="20" x="0" y="0"/>
|
||||||
|
</marker>
|
||||||
|
<marker id="open_circle" markerHeight="10" markerWidth="10" orient="auto" refX="10" refY="10" viewBox="0 0 20 20">
|
||||||
|
<circle cx="10" cy="10" fill="white" r="4" stroke="black" stroke-width="2"/>
|
||||||
|
</marker>
|
||||||
|
<marker id="big_open_circle" markerHeight="20" markerWidth="20" orient="auto" refX="20" refY="20" viewBox="0 0 40 40">
|
||||||
|
<circle cx="20" cy="20" fill="white" r="6" stroke="black" stroke-width="2"/>
|
||||||
|
</marker>
|
||||||
|
</defs>
|
||||||
|
<style type="text/css">
|
||||||
|
|
||||||
|
line,path {
|
||||||
|
stroke: black;
|
||||||
|
stroke-width: 2;
|
||||||
|
stroke-opacity: 1;
|
||||||
|
fill-opacity: 1;
|
||||||
|
stroke-linecap: round;
|
||||||
|
stroke-linejoin: miter;
|
||||||
|
}
|
||||||
|
line.dashed {
|
||||||
|
stroke-dasharray: 5;
|
||||||
|
}
|
||||||
|
circle.solid {
|
||||||
|
fill:black;
|
||||||
|
stroke: black;
|
||||||
|
stroke-width: 2;
|
||||||
|
stroke-opacity: 1;
|
||||||
|
fill-opacity: 1;
|
||||||
|
stroke-linecap: round;
|
||||||
|
stroke-linejoin: miter;
|
||||||
|
}
|
||||||
|
circle.open {
|
||||||
|
fill:none;
|
||||||
|
stroke: black;
|
||||||
|
stroke-width: 2;
|
||||||
|
stroke-opacity: 1;
|
||||||
|
fill-opacity: 1;
|
||||||
|
stroke-linecap: round;
|
||||||
|
stroke-linejoin: miter;
|
||||||
|
}
|
||||||
|
tspan.head{
|
||||||
|
fill: none;
|
||||||
|
stroke: none;
|
||||||
|
}
|
||||||
|
|
||||||
|
</style>
|
||||||
|
<rect fill="white" height="736" width="520" x="0" y="0"/>
|
||||||
|
<g>
|
||||||
|
<line x1="12" x2="12" y1="60" y2="116"/>
|
||||||
|
<path d="M 12 116 A 4 4 0 0 0 16 120" fill="none"/>
|
||||||
|
<path d="M 16 56 A 4 4 0 0 0 12 60" fill="none"/>
|
||||||
|
</g>
|
||||||
|
<g>
|
||||||
|
<line x1="16" x2="80" y1="56" y2="56"/>
|
||||||
|
<path d="M 84 60 A 4 4 0 0 0 80 56" fill="none"/>
|
||||||
|
</g>
|
||||||
|
<g>
|
||||||
|
<line x1="16" x2="52" y1="120" y2="120"/>
|
||||||
|
<line x1="52" x2="52" y1="120" y2="260"/>
|
||||||
|
<line x1="52" x2="80" y1="120" y2="120"/>
|
||||||
|
<path d="M 52 260 A 4 4 0 0 0 56 264" fill="none"/>
|
||||||
|
<path d="M 80 120 A 4 4 0 0 0 84 116" fill="none"/>
|
||||||
|
</g>
|
||||||
|
<g>
|
||||||
|
<line x1="20" x2="20" y1="396" y2="452"/>
|
||||||
|
<path d="M 20 452 A 4 4 0 0 0 24 456" fill="none"/>
|
||||||
|
<path d="M 24 392 A 4 4 0 0 0 20 396" fill="none"/>
|
||||||
|
</g>
|
||||||
|
<g>
|
||||||
|
<line x1="20" x2="20" y1="572" y2="708"/>
|
||||||
|
<path d="M 20 708 A 4 4 0 0 0 24 712" fill="none"/>
|
||||||
|
<path d="M 24 568 A 4 4 0 0 0 20 572" fill="none"/>
|
||||||
|
</g>
|
||||||
|
<g>
|
||||||
|
<line x1="24" x2="88" y1="392" y2="392"/>
|
||||||
|
<path d="M 92 396 A 4 4 0 0 0 88 392" fill="none"/>
|
||||||
|
</g>
|
||||||
|
<g>
|
||||||
|
<line x1="24" x2="88" y1="456" y2="456"/>
|
||||||
|
<path d="M 88 456 A 4 4 0 0 0 92 452" fill="none"/>
|
||||||
|
</g>
|
||||||
|
<g>
|
||||||
|
<line x1="24" x2="88" y1="568" y2="568"/>
|
||||||
|
<path d="M 92 572 A 4 4 0 0 0 88 568" fill="none"/>
|
||||||
|
</g>
|
||||||
|
<g>
|
||||||
|
<line x1="24" x2="88" y1="712" y2="712"/>
|
||||||
|
<path d="M 88 712 A 4 4 0 0 0 92 708" fill="none"/>
|
||||||
|
</g>
|
||||||
|
<g>
|
||||||
|
<line marker-end="url(#triangle)" x1="56" x2="124" y1="264" y2="264"/>
|
||||||
|
</g>
|
||||||
|
<g>
|
||||||
|
<line x1="84" x2="84" y1="60" y2="116"/>
|
||||||
|
</g>
|
||||||
|
<g>
|
||||||
|
<line marker-end="url(#triangle)" x1="84" x2="124" y1="72" y2="72"/>
|
||||||
|
</g>
|
||||||
|
<g>
|
||||||
|
<line x1="92" x2="92" y1="396" y2="452"/>
|
||||||
|
</g>
|
||||||
|
<g>
|
||||||
|
<line marker-end="url(#triangle)" x1="92" x2="212" y1="408" y2="408"/>
|
||||||
|
</g>
|
||||||
|
<g>
|
||||||
|
<line x1="92" x2="92" y1="572" y2="708"/>
|
||||||
|
</g>
|
||||||
|
<g>
|
||||||
|
<line marker-end="url(#triangle)" x1="96" x2="92" y1="104" y2="104"/>
|
||||||
|
<line x1="96" x2="132" y1="104" y2="104"/>
|
||||||
|
</g>
|
||||||
|
<g>
|
||||||
|
<line marker-end="url(#triangle)" x1="104" x2="100" y1="440" y2="440"/>
|
||||||
|
<line x1="104" x2="220" y1="440" y2="440"/>
|
||||||
|
</g>
|
||||||
|
<g>
|
||||||
|
<line marker-end="url(#triangle)" x1="104" x2="100" y1="600" y2="600"/>
|
||||||
|
<line marker-end="url(#triangle)" x1="104" x2="212" y1="600" y2="600"/>
|
||||||
|
</g>
|
||||||
|
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Client
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<g>
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Client
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JsonRpcService
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Tpu
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<g>
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Ncp
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</text>
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<g>
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JsonRpcService
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<g>
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Bank
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</text>
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</g>
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<g>
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Tvu
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</text>
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</g>
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<g>
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<text x="233" y="684">
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Ncp
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</text>
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</g>
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<g>
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Validators
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</text>
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</g>
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<g>
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Validators
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</text>
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lock
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fee
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unlock
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memory
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|
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<g>
|
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|
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|
accounts
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|
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|
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|
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|
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|
After Width: | Height: | Size: 4.8 KiB |
|
|
@ -0,0 +1,164 @@
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|
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|
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|
Clients
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|
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|
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|
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|
Tpu
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|
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|
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Fetch
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Stage
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PohService
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Banking
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Write
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Stage
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|
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|
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|
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|
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|
||||||
|
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|
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|
Ledger
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||||||
|
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|
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|
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|
||||||
|
<g>
|
||||||
|
<text x="569" y="140">
|
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|
Validators
|
||||||
|
</text>
|
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|
</g>
|
||||||
|
</svg>
|
||||||
|
After Width: | Height: | Size: 7.9 KiB |
|
|
@ -0,0 +1,306 @@
|
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|
<svg class="bob" font-family="arial" font-size="14" height="368" width="680" xmlns="http://www.w3.org/2000/svg">
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|
<defs>
|
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|
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|
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|
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|
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|
<polygon fill="none" points="2,2 2,12 18,7 2,2" stroke="black" stroke-width="2"/>
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|
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|
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|
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|
||||||
|
<circle cx="10" cy="10" fill="black" r="8"/>
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|
</marker>
|
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|
<marker id="square" markerHeight="5" markerWidth="5" orient="auto" refX="10" refY="10" viewBox="0 0 20 20">
|
||||||
|
<rect fill="black" height="20" width="20" x="0" y="0"/>
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|
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|
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|
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|
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|
<circle cx="10" cy="10" fill="white" r="4" stroke="black" stroke-width="2"/>
|
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|
</marker>
|
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|
<marker id="big_open_circle" markerHeight="20" markerWidth="20" orient="auto" refX="20" refY="20" viewBox="0 0 40 40">
|
||||||
|
<circle cx="20" cy="20" fill="white" r="6" stroke="black" stroke-width="2"/>
|
||||||
|
</marker>
|
||||||
|
</defs>
|
||||||
|
<style type="text/css">
|
||||||
|
|
||||||
|
line,path {
|
||||||
|
stroke: black;
|
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|
stroke-width: 2;
|
||||||
|
stroke-opacity: 1;
|
||||||
|
fill-opacity: 1;
|
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|
stroke-linecap: round;
|
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|
stroke-linejoin: miter;
|
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|
}
|
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|
line.dashed {
|
||||||
|
stroke-dasharray: 5;
|
||||||
|
}
|
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|
circle.solid {
|
||||||
|
fill:black;
|
||||||
|
stroke: black;
|
||||||
|
stroke-width: 2;
|
||||||
|
stroke-opacity: 1;
|
||||||
|
fill-opacity: 1;
|
||||||
|
stroke-linecap: round;
|
||||||
|
stroke-linejoin: miter;
|
||||||
|
}
|
||||||
|
circle.open {
|
||||||
|
fill:none;
|
||||||
|
stroke: black;
|
||||||
|
stroke-width: 2;
|
||||||
|
stroke-opacity: 1;
|
||||||
|
fill-opacity: 1;
|
||||||
|
stroke-linecap: round;
|
||||||
|
stroke-linejoin: miter;
|
||||||
|
}
|
||||||
|
tspan.head{
|
||||||
|
fill: none;
|
||||||
|
stroke: none;
|
||||||
|
}
|
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|
|
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|
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|
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|
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<g>
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|
<path d="M 12 164 A 4 4 0 0 0 16 168" fill="none"/>
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|
<path d="M 16 136 A 4 4 0 0 0 12 140" fill="none"/>
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|
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|
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|
<g>
|
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|
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|
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|
<path d="M 84 140 A 4 4 0 0 0 80 136" fill="none"/>
|
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|
</g>
|
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|
<g>
|
||||||
|
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|
<path d="M 80 168 A 4 4 0 0 0 84 164" fill="none"/>
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|
</g>
|
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|
<g>
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|
</g>
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|
<g>
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|
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|
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|
</g>
|
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|
<g>
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|
<line marker-end="url(#triangle)" x1="52" x2="52" y1="12" y2="124"/>
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|
<path d="M 56 8 A 4 4 0 0 0 52 12" fill="none"/>
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|
</g>
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<g>
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|
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|
<path d="M 444 12 A 4 4 0 0 0 440 8" fill="none"/>
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|
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|
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|
<g>
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|
<line x1="84" x2="84" y1="140" y2="164"/>
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|
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<line marker-end="url(#triangle)" x1="84" x2="164" y1="152" y2="152"/>
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|
</g>
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<g>
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|
</g>
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<g>
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<line marker-end="url(#triangle)" x1="116" x2="164" y1="200" y2="200"/>
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|
</g>
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<g>
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|
<path d="M 152 40 A 4 4 0 0 0 148 44" fill="none"/>
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|
</g>
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<g>
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<line x1="148" x2="148" y1="160" y2="192"/>
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</g>
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<g>
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<line x1="148" x2="148" y1="208" y2="276"/>
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<path d="M 148 276 A 4 4 0 0 0 152 280" fill="none"/>
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|
</g>
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|
<g>
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|
<line x1="152" x2="444" y1="40" y2="40"/>
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|
<line x1="444" x2="444" y1="12" y2="40"/>
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|
<line x1="444" x2="444" y1="40" y2="104"/>
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|
<line x1="444" x2="544" y1="40" y2="40"/>
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|
<line x1="444" x2="444" y1="104" y2="136"/>
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|
<line marker-end="url(#triangle)" x1="444" x2="564" y1="104" y2="104"/>
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|
<line x1="444" x2="520" y1="136" y2="136"/>
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|
<path d="M 524 140 A 4 4 0 0 0 520 136" fill="none"/>
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|
<path d="M 548 44 A 4 4 0 0 0 544 40" fill="none"/>
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|
</g>
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|
<g>
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<line x1="152" x2="444" y1="280" y2="280"/>
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|
<line x1="444" x2="544" y1="280" y2="280"/>
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|
<path d="M 544 280 A 4 4 0 0 0 548 276" fill="none"/>
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|
</g>
|
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|
<g>
|
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|
<line x1="172" x2="172" y1="124" y2="212"/>
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|
<path d="M 172 212 A 4 4 0 0 0 176 216" fill="none"/>
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|
<path d="M 176 120 A 4 4 0 0 0 172 124" fill="none"/>
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|
</g>
|
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|
<g>
|
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|
<line x1="176" x2="232" y1="120" y2="120"/>
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|
<path d="M 236 124 A 4 4 0 0 0 232 120" fill="none"/>
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|
</g>
|
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|
<g>
|
||||||
|
<line x1="176" x2="232" y1="216" y2="216"/>
|
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|
<path d="M 232 216 A 4 4 0 0 0 236 212" fill="none"/>
|
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|
</g>
|
||||||
|
<g>
|
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|
<line x1="236" x2="236" y1="124" y2="212"/>
|
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|
</g>
|
||||||
|
<g>
|
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|
<line marker-end="url(#triangle)" x1="236" x2="260" y1="168" y2="168"/>
|
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|
</g>
|
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|
<g>
|
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|
<line x1="268" x2="268" y1="140" y2="196"/>
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|
<path d="M 268 196 A 4 4 0 0 0 272 200" fill="none"/>
|
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|
<path d="M 272 136 A 4 4 0 0 0 268 140" fill="none"/>
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|
</g>
|
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|
<g>
|
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|
<line x1="272" x2="308" y1="136" y2="136"/>
|
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|
<line x1="308" x2="308" y1="108" y2="136"/>
|
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|
<line x1="308" x2="368" y1="136" y2="136"/>
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|
<path d="M 312 104 A 4 4 0 0 0 308 108" fill="none"/>
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|
<path d="M 372 140 A 4 4 0 0 0 368 136" fill="none"/>
|
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|
</g>
|
||||||
|
<g>
|
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|
<line x1="272" x2="368" y1="200" y2="200"/>
|
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|
<path d="M 368 200 A 4 4 0 0 0 372 196" fill="none"/>
|
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|
</g>
|
||||||
|
<g>
|
||||||
|
<line x1="312" x2="444" y1="104" y2="104"/>
|
||||||
|
</g>
|
||||||
|
<g>
|
||||||
|
<line x1="372" x2="372" y1="140" y2="196"/>
|
||||||
|
</g>
|
||||||
|
<g>
|
||||||
|
<line marker-end="url(#triangle)" x1="372" x2="396" y1="168" y2="168"/>
|
||||||
|
</g>
|
||||||
|
<g>
|
||||||
|
<line x1="404" x2="404" y1="140" y2="196"/>
|
||||||
|
<path d="M 404 196 A 4 4 0 0 0 408 200" fill="none"/>
|
||||||
|
<path d="M 408 136 A 4 4 0 0 0 404 140" fill="none"/>
|
||||||
|
</g>
|
||||||
|
<g>
|
||||||
|
<line x1="408" x2="444" y1="136" y2="136"/>
|
||||||
|
</g>
|
||||||
|
<g>
|
||||||
|
<line x1="408" x2="444" y1="200" y2="200"/>
|
||||||
|
<line marker-end="url(#triangle)" x1="444" x2="444" y1="200" y2="316"/>
|
||||||
|
<line x1="444" x2="520" y1="200" y2="200"/>
|
||||||
|
<path d="M 520 200 A 4 4 0 0 0 524 196" fill="none"/>
|
||||||
|
</g>
|
||||||
|
<g>
|
||||||
|
<line x1="420" x2="420" y1="332" y2="356"/>
|
||||||
|
<path d="M 420 356 A 4 4 0 0 0 424 360" fill="none"/>
|
||||||
|
<path d="M 424 328 A 4 4 0 0 0 420 332" fill="none"/>
|
||||||
|
</g>
|
||||||
|
<g>
|
||||||
|
<line x1="424" x2="472" y1="328" y2="328"/>
|
||||||
|
<path d="M 476 332 A 4 4 0 0 0 472 328" fill="none"/>
|
||||||
|
</g>
|
||||||
|
<g>
|
||||||
|
<line x1="424" x2="472" y1="360" y2="360"/>
|
||||||
|
<path d="M 472 360 A 4 4 0 0 0 476 356" fill="none"/>
|
||||||
|
</g>
|
||||||
|
<g>
|
||||||
|
<line x1="464" x2="472" y1="176" y2="160"/>
|
||||||
|
</g>
|
||||||
|
<g>
|
||||||
|
<line x1="476" x2="476" y1="332" y2="356"/>
|
||||||
|
</g>
|
||||||
|
<g>
|
||||||
|
<line x1="524" x2="524" y1="140" y2="196"/>
|
||||||
|
</g>
|
||||||
|
<g>
|
||||||
|
<line x1="548" x2="548" y1="44" y2="96"/>
|
||||||
|
</g>
|
||||||
|
<g>
|
||||||
|
<line x1="548" x2="548" y1="112" y2="276"/>
|
||||||
|
</g>
|
||||||
|
<g>
|
||||||
|
<line x1="572" x2="572" y1="92" y2="116"/>
|
||||||
|
<path d="M 572 116 A 4 4 0 0 0 576 120" fill="none"/>
|
||||||
|
<path d="M 576 88 A 4 4 0 0 0 572 92" fill="none"/>
|
||||||
|
</g>
|
||||||
|
<g>
|
||||||
|
<line x1="576" x2="672" y1="88" y2="88"/>
|
||||||
|
<path d="M 676 92 A 4 4 0 0 0 672 88" fill="none"/>
|
||||||
|
</g>
|
||||||
|
<g>
|
||||||
|
<line x1="576" x2="672" y1="120" y2="120"/>
|
||||||
|
<path d="M 672 120 A 4 4 0 0 0 676 116" fill="none"/>
|
||||||
|
</g>
|
||||||
|
<g>
|
||||||
|
<line x1="676" x2="676" y1="92" y2="116"/>
|
||||||
|
</g>
|
||||||
|
<g>
|
||||||
|
<text x="25" y="156">
|
||||||
|
Leader
|
||||||
|
</text>
|
||||||
|
</g>
|
||||||
|
<g>
|
||||||
|
<text x="25" y="204">
|
||||||
|
Validators
|
||||||
|
</text>
|
||||||
|
</g>
|
||||||
|
<g>
|
||||||
|
<text x="169" y="60">
|
||||||
|
Tvu
|
||||||
|
</text>
|
||||||
|
</g>
|
||||||
|
<g>
|
||||||
|
<text x="185" y="156">
|
||||||
|
Blob
|
||||||
|
</text>
|
||||||
|
</g>
|
||||||
|
<g>
|
||||||
|
<text x="185" y="172">
|
||||||
|
Fetch
|
||||||
|
</text>
|
||||||
|
</g>
|
||||||
|
<g>
|
||||||
|
<text x="185" y="188">
|
||||||
|
Stage
|
||||||
|
</text>
|
||||||
|
</g>
|
||||||
|
<g>
|
||||||
|
<text x="281" y="156">
|
||||||
|
Retransmit
|
||||||
|
</text>
|
||||||
|
</g>
|
||||||
|
<g>
|
||||||
|
<text x="297" y="172">
|
||||||
|
Stage
|
||||||
|
</text>
|
||||||
|
</g>
|
||||||
|
<g>
|
||||||
|
<text x="417" y="156">
|
||||||
|
Replicate
|
||||||
|
</text>
|
||||||
|
</g>
|
||||||
|
<g>
|
||||||
|
<text x="417" y="172">
|
||||||
|
Stage
|
||||||
|
</text>
|
||||||
|
</g>
|
||||||
|
<g>
|
||||||
|
<text x="417" y="188">
|
||||||
|
Vote
|
||||||
|
</text>
|
||||||
|
</g>
|
||||||
|
<g>
|
||||||
|
<text x="433" y="348">
|
||||||
|
Bank
|
||||||
|
</text>
|
||||||
|
</g>
|
||||||
|
<g>
|
||||||
|
<text x="457" y="188">
|
||||||
|
Stage
|
||||||
|
</text>
|
||||||
|
</g>
|
||||||
|
<g>
|
||||||
|
<text x="585" y="108">
|
||||||
|
Validators
|
||||||
|
</text>
|
||||||
|
</g>
|
||||||
|
</svg>
|
||||||
|
After Width: | Height: | Size: 7.3 KiB |
|
|
@ -185,55 +185,6 @@ impl Fullnode {
|
||||||
}
|
}
|
||||||
|
|
||||||
/// Create a fullnode instance acting as a leader or validator.
|
/// Create a fullnode instance acting as a leader or validator.
|
||||||
///
|
|
||||||
/// ```text
|
|
||||||
/// .---------------------.
|
|
||||||
/// | Leader |
|
|
||||||
/// | |
|
|
||||||
/// .--------. | .-----. |
|
|
||||||
/// | |---->| | |
|
|
||||||
/// | Client | | | RPU | |
|
|
||||||
/// | |<----| | |
|
|
||||||
/// `----+---` | `-----` |
|
|
||||||
/// | | ^ |
|
|
||||||
/// | | | |
|
|
||||||
/// | | .--+---. |
|
|
||||||
/// | | | Bank | |
|
|
||||||
/// | | `------` |
|
|
||||||
/// | | ^ |
|
|
||||||
/// | | | | .------------.
|
|
||||||
/// | | .--+--. .-----. | | |
|
|
||||||
/// `-------->| TPU +-->| NCP +------>| Validators |
|
|
||||||
/// | `-----` `-----` | | |
|
|
||||||
/// | | `------------`
|
|
||||||
/// `---------------------`
|
|
||||||
///
|
|
||||||
/// .-------------------------------.
|
|
||||||
/// | Validator |
|
|
||||||
/// | |
|
|
||||||
/// .--------. | .-----. |
|
|
||||||
/// | |-------------->| | |
|
|
||||||
/// | Client | | | RPU | |
|
|
||||||
/// | |<--------------| | |
|
|
||||||
/// `--------` | `-----` |
|
|
||||||
/// | ^ |
|
|
||||||
/// | | |
|
|
||||||
/// | .--+---. |
|
|
||||||
/// | | Bank | |
|
|
||||||
/// | `------` |
|
|
||||||
/// | ^ |
|
|
||||||
/// .--------. | | | .------------.
|
|
||||||
/// | | | .--+--. | | |
|
|
||||||
/// | Leader |<------------->| TVU +<--------------->| |
|
|
||||||
/// | | | `-----` | | Validators |
|
|
||||||
/// | | | ^ | | |
|
|
||||||
/// | | | | | | |
|
|
||||||
/// | | | .--+--. | | |
|
|
||||||
/// | |<------------->| NCP +<--------------->| |
|
|
||||||
/// | | | `-----` | | |
|
|
||||||
/// `--------` | | `------------`
|
|
||||||
/// `-------------------------------`
|
|
||||||
/// ```
|
|
||||||
#[cfg_attr(feature = "cargo-clippy", allow(too_many_arguments))]
|
#[cfg_attr(feature = "cargo-clippy", allow(too_many_arguments))]
|
||||||
pub fn new_with_bank(
|
pub fn new_with_bank(
|
||||||
keypair: Arc<Keypair>,
|
keypair: Arc<Keypair>,
|
||||||
|
|
|
||||||
24
src/tpu.rs
24
src/tpu.rs
|
|
@ -1,29 +1,5 @@
|
||||||
//! The `tpu` module implements the Transaction Processing Unit, a
|
//! The `tpu` module implements the Transaction Processing Unit, a
|
||||||
//! 5-stage transaction processing pipeline in software.
|
//! 5-stage transaction processing pipeline in software.
|
||||||
//!
|
|
||||||
//! ```text
|
|
||||||
//! .----------------------------------------------------.
|
|
||||||
//! | TPU .-------------. |
|
|
||||||
//! | | PoH Service | |
|
|
||||||
//! | `-------+-----` |
|
|
||||||
//! | ^ | |
|
|
||||||
//! | | v |
|
|
||||||
//! | .-------. .-----------. .-+-------. .-------. |
|
|
||||||
//! .---------. | | Fetch | | SigVerify | | Banking | | Write | | .------------.
|
|
||||||
//! | Clients |--->| Stage |->| Stage |->| Stage |-->| Stage +--->| Validators |
|
|
||||||
//! `---------` | | | | | | | | | | `------------`
|
|
||||||
//! | `-------` `-----------` `----+----` `---+---` |
|
|
||||||
//! | | | |
|
|
||||||
//! | | | |
|
|
||||||
//! | | | |
|
|
||||||
//! | | | |
|
|
||||||
//! `---------------------------------|------------|-----`
|
|
||||||
//! | |
|
|
||||||
//! v v
|
|
||||||
//! .------. .--------.
|
|
||||||
//! | Bank | | Ledger |
|
|
||||||
//! `------` `--------`
|
|
||||||
//! ```
|
|
||||||
|
|
||||||
use bank::Bank;
|
use bank::Bank;
|
||||||
use banking_stage::{BankingStage, BankingStageReturnType};
|
use banking_stage::{BankingStage, BankingStageReturnType};
|
||||||
|
|
|
||||||
26
src/tvu.rs
26
src/tvu.rs
|
|
@ -1,32 +1,6 @@
|
||||||
//! The `tvu` module implements the Transaction Validation Unit, a
|
//! The `tvu` module implements the Transaction Validation Unit, a
|
||||||
//! 3-stage transaction validation pipeline in software.
|
//! 3-stage transaction validation pipeline in software.
|
||||||
//!
|
//!
|
||||||
//! ```text
|
|
||||||
//! .------------------------------------------------.
|
|
||||||
//! | |
|
|
||||||
//! | .------------------------------------+------------.
|
|
||||||
//! | | TVU | |
|
|
||||||
//! | | | |
|
|
||||||
//! | | | | .------------.
|
|
||||||
//! | | .----------------+-------------->| Validators |
|
|
||||||
//! v | .-------. | | | `------------`
|
|
||||||
//! .----+---. | | | .----+-------. .----+---------. |
|
|
||||||
//! | Leader |--------->| Blob | | Retransmit | | Replicate | |
|
|
||||||
//! `--------` | | Fetch |-->| Stage |-->| Stage / | |
|
|
||||||
//! .------------. | | Stage | | | | Vote Stage | |
|
|
||||||
//! | Validators |----->| | `------------` `----+---------` |
|
|
||||||
//! `------------` | `-------` | |
|
|
||||||
//! | | |
|
|
||||||
//! | | |
|
|
||||||
//! | | |
|
|
||||||
//! `------------------------------------|------------`
|
|
||||||
//! |
|
|
||||||
//! v
|
|
||||||
//! .------.
|
|
||||||
//! | Bank |
|
|
||||||
//! `------`
|
|
||||||
//! ```
|
|
||||||
//!
|
|
||||||
//! 1. Fetch Stage
|
//! 1. Fetch Stage
|
||||||
//! - Incoming blobs are picked up from the replicate socket and repair socket.
|
//! - Incoming blobs are picked up from the replicate socket and repair socket.
|
||||||
//! 2. SharedWindow Stage
|
//! 2. SharedWindow Stage
|
||||||
|
|
|
||||||
Loading…
Reference in New Issue