block-generator: Improve payment algorithm to allow sending many more transactions.

[winder]

Summary

Update the block-generator payment algorithm to cycle through accounts if the genesis account runs out of algos.

Test Plan

Accounts were running out of algos during a 1hr run of the jumbo payment scenario, now it isn't.

[codecov-commenter]

Codecov Report

Merging #864 (6f97710) into develop (455ef3e) will decrease coverage by 0.40%.
The diff coverage is 62.50%.

❗ Current head 6f97710 differs from pull request most recent head 1618543. Consider uploading reports for the commit 1618543 to get more accurate results

@@             Coverage Diff             @@
##           develop     #864      +/-   ##
===========================================
- Coverage    58.93%   58.53%   -0.41%     
===========================================
  Files           36       37       +1     
  Lines         4374     4406      +32     
===========================================
+ Hits          2578     2579       +1     
- Misses        1483     1514      +31     
  Partials       313      313              

Impacted Files	Coverage Δ
cmd/block-generator/generator/generate.go	58.87% <62.50%> (+0.11%)	⬆️
util/diff.go	0.00% <0.00%> (ø)

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[tolikzinovyev]

Are you using a config with genesis_account_balance = 10^15? With that number assuming 10K TPS, accounts shouldn't run out of money at least for one day. Also, I'd rather decrease the payment amount; it's simpler and doesn't change the nature of transactions.

[winder]

Are you using a config with genesis_account_balance = 10^15? With that number assuming 10K TPS, accounts shouldn't run out of money at least for one day. Also, I'd rather decrease the payment amount; it's simpler and doesn't change the nature of transactions.

Good call, I wanted to make sure new accounts got extra algod but didn't consider reducing the amount for the other transactions.

I think you already updated the genesis account balance.

[tolikzinovyev]

Are you using a config with genesis_account_balance = 10^15? With that number assuming 10K TPS, accounts shouldn't run out of money at least for one day. Also, I'd rather decrease the payment amount; it's simpler and doesn't change the nature of transactions.

Good call, I wanted to make sure new accounts got extra algod but didn't consider reducing the amount for the other transactions.

I think you already updated the genesis account balance.

I did update it, but are you sure you are not using a custom config?