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Make lamports_per_signature dynamic based on cluster load (#4562)

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* Make lamports_per_signature dynamic based on cluster load

* Move transaction-fees.md to implemented
This commit is contained in:
Michael Vines
2019-06-10 22:18:32 -07:00
committed by GitHub
parent a4035a3c65
commit e4d8ea11ac
14 changed files with 391 additions and 115 deletions
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40
genesis/src/main.rs
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@ -53,8 +53,12 @@ pub fn append_primordial_accounts(file: &str, genesis_block: &mut GenesisBlock)
fn main() -> Result<(), Box<dyn error::Error>> {
let default_bootstrap_leader_lamports = &BOOTSTRAP_LEADER_LAMPORTS.to_string();
let default_lamports_per_signature =
&FeeCalculator::default().lamports_per_signature.to_string();
let default_target_lamports_per_signature = &FeeCalculator::default()
.target_lamports_per_signature
.to_string();
let default_target_signatures_per_slot = &FeeCalculator::default()
.target_signatures_per_slot
.to_string();
let default_target_tick_duration =
&timing::duration_as_ms(&PohConfig::default().target_tick_duration).to_string();
let default_ticks_per_slot = &timing::DEFAULT_TICKS_PER_SLOT.to_string();
@ -144,12 +148,28 @@ fn main() -> Result<(), Box<dyn error::Error>> {
.help("Number of lamports to assign to the bootstrap leader's stake account"),
)
.arg(
Arg::with_name("lamports_per_signature")
.long("lamports-per-signature")
Arg::with_name("target_lamports_per_signature")
.long("target-lamports-per-signature")
.value_name("LAMPORTS")
.takes_value(true)
.default_value(default_lamports_per_signature)
.help("Number of lamports the cluster will charge for signature verification"),
.default_value(default_target_lamports_per_signature)
.help(
"The cost in lamports that the cluster will charge for signature \
verification when the cluster is operating at target-signatures-per-slot",
),
)
.arg(
Arg::with_name("target_signatures_per_slot")
.long("target-signatures-per-slot")
.value_name("NUMBER")
.takes_value(true)
.default_value(default_target_signatures_per_slot)
.help(
"Used to estimate the desired processing capacity of the cluster.
When the latest slot processes fewer/greater signatures than this \
value, the lamports-per-signature fee will decrease/increase for \
the next slot. A value of 0 disables signature-based fee adjustments",
),
)
.arg(
Arg::with_name("target_tick_duration")
@ -266,8 +286,12 @@ fn main() -> Result<(), Box<dyn error::Error>> {
&bootstrap_storage_keypair.pubkey(),
);
genesis_block.fee_calculator.lamports_per_signature =
value_t_or_exit!(matches, "lamports_per_signature", u64);
genesis_block.fee_calculator.target_lamports_per_signature =
value_t_or_exit!(matches, "target_lamports_per_signature", u64);
genesis_block.fee_calculator.target_signatures_per_slot =
value_t_or_exit!(matches, "target_signatures_per_slot", usize);
genesis_block.fee_calculator = FeeCalculator::new_derived(&genesis_block.fee_calculator, 0);
genesis_block.ticks_per_slot = value_t_or_exit!(matches, "ticks_per_slot", u64);
genesis_block.slots_per_epoch = value_t_or_exit!(matches, "slots_per_epoch", u64);
genesis_block.poh_config.target_tick_duration =