Tip
Execute the stage 1 of the frigate_playbook.sh before participating of the workshop. Installation of dependencies takes time and depends of connectivity.
The presentation as well as the playbooks has been structured semantically by numbered stages. There are 7 in total:
1 - Library crash on raw descriptor
const DB_PATH: &str = "bdk-example-electrum.sqlite";
const NETWORK: Network = Network::Testnet4;
const EXTERNAL_DESC: &str = "wpkh(tprv8ZgxMBicQKsPdy6LMhUtFHAgpocR8GC6QmwMSFpZs7h6Eziw3SpThFfczTDh5rW2krkqffa11UpX3XkeTTB2FvzZKWXqPY54Y6Rq4AQ5R8L/84'/1'/0'/0/*)";
const INTERNAL_DESC: &str = "wpkh(tprv8ZgxMBicQKsPdy6LMhUtFHAgpocR8GC6QmwMSFpZs7h6Eziw3SpThFfczTDh5rW2krkqffa11UpX3XkeTTB2FvzZKWXqPY54Y6Rq4AQ5R8L/84'/1'/0'/1/*)";
const ELECTRUM_URL: &str = "ssl://mempool.space:40002";
1 - Library crash on raw descriptor
const DB_PATH: &str = "bdk-example-electrum.sqlite";
const NETWORK: Network = Network::Testnet4;
const EXTERNAL_DESC: &str = "wpkh(tprv8ZgxMBicQKsPdy6LMhUtFHAgpocR8GC6QmwMSFpZs7h6Eziw3SpThFfczTDh5rW2krkqffa11UpX3XkeTTB2FvzZKWXqPY54Y6Rq4AQ5R8L/84'/1'/0'/0/*)";
const INTERNAL_DESC: &str = "wpkh(tprv8ZgxMBicQKsPdy6LMhUtFHAgpocR8GC6QmwMSFpZs7h6Eziw3SpThFfczTDh5rW2krkqffa11UpX3XkeTTB2FvzZKWXqPY54Y6Rq4AQ5R8L/84'/1'/0'/1/*)";
const ELECTRUM_URL: &str = "ssl://mempool.space:40002";
-dbcache=n: This represents the UTXO database size. A lower value during IBD will make sync slower but once the sync is done it should be fine
-maxmempool=<n>: Limit the mempool size to n. A lower value obviously means transactions will be evicted faster
-maxconnections=<n>: number of connections to keep, the lower the better for memory
-par=<n>: number of script verification threads. (Should be 0 for us)
-prune=<n>: Reduce storage requirements by enabling pruning (deleting) of old blocks. For value ≥ 550 the node will automatically prune block files to stay under the specified targe size.
-maxmeepool=<n>: Keep the transaction memory pool below MB (default is 300)
-loadblock=file: This could be use to import blocks that are downloaded from clients startup.
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| // A helper function to determine the data model of the current platform | |
| [[nodiscard]] constexpr const char* dataModelPlatform() { | |
| if constexpr (sizeof(int) == 2 && sizeof(long int) == 8) { | |
| if (sizeof(int*) == 2) { | |
| return "ILP32"; | |
| } | |
| return "LLP64"; | |
| } |
| #include <iostream> | |
| #include <utility> | |
| #include <tuple> | |
| template<typename T> | |
| void printWithSpace(T v) { | |
| std::cout << v << " "; | |
| } |
| syntax = "proto3"; | |
| package FIX; | |
| import "executionreport.proto"; | |
| message NewOrderSingle { | |
| string ClOrdID = 1; | |
| string Instrument = 2; |
I hereby claim:
To claim this, I am signing this object:
| git log --author="Linus Torvalds" --date=iso | perl -nalE 'if (/^Date:\s+[\d-]{10}\s(\d{2})/) { say $1+0 }' | sort | uniq -c|perl -MList::Util=max -nalE '$h{$F[1]} = $F[0]; }{ $m = max values %h; foreach (0..23) { $h{$_} = 0 if not exists $h{$_} } foreach (sort {$a <=> $b } keys %h) { say sprintf "%02d - %4d %s", $_, $h{$_}, "*"x ($h{$_} / $m * 50); }' | |