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# Lower data receipt cost (Sep 2021)
## Reproducing
```
cd ./nearcore
cargo run --release --package neard --bin neard -- --home /tmp/data init --test-seed=alice.near --account-id=test.near --fast
cargo run --release --package runtime-params-estimator --features required --bin runtime-params-estimator -- --docker --home /tmp/data --accounts-num 20000 --additional-accounts-num 200000 --iters 1 --warmup-iters 1 --metric icount --full
./target/release/runtime-params-estimator --additional-accounts-num 0 --costs-file costs-$YOUR_DATE_TIME.txt --home /tmp/data
```
## Difference
```
% python3 ./runtime/runtime-params-estimator/emu-cost/compare_costs.py ./nearcore/res/runtime_configs/42.json ./nearcore/res/runtime_configs/115.json --diff
transaction_costs.data_receipt_creation_config.base_cost.send_sir: first=4697339419375 second=36486732312 second/first=0.01
transaction_costs.data_receipt_creation_config.base_cost.send_not_sir: first=4697339419375 second=36486732312 second/first=0.01
transaction_costs.data_receipt_creation_config.base_cost.execution: first=4697339419375 second=36486732312 second/first=0.01
transaction_costs.data_receipt_creation_config.cost_per_byte.send_sir: first=59357464 second=17212011 second/first=0.29
transaction_costs.data_receipt_creation_config.cost_per_byte.send_not_sir: first=59357464 second=17212011 second/first=0.29
transaction_costs.data_receipt_creation_config.cost_per_byte.execution: first=59357464 second=17212011 second/first=0.29
```
## Costs file
```
ActionReceiptCreation 333_455_875_000
ActionSirReceiptCreation 244_844_875_000
DataReceiptCreationBase 72_973_464_625
DataReceiptCreationPerByte 34_424_023
ActionCreateAccount 72_283_125_000
ActionDeployContractBase 2_096_893_419_272
ActionDeployContractPerByte 400_609_352
ActionFunctionCallBase 341_995_500_000
ActionFunctionCallPerByte 64_435
ActionTransfer 54_365_750_000
ActionStake 125_890_250_000
ActionAddFullAccessKey 103_484_125_000
ActionAddFunctionAccessKeyBase 63_198_125_000
ActionAddFunctionAccessKeyPerByte 25_692_687
ActionDeleteKey 35_840_250_000
ActionDeleteAccount 276_588_250_000
HostFunctionCall 104_001_330
WasmInstruction 1_603_479
ReadMemoryBase 281_047_100
ReadMemoryByte 1_268_409
WriteMemoryBase 354_655_450
WriteMemoryByte 62_581
ReadRegisterBase 248_330_812
ReadRegisterByte 33_194
WriteRegisterBase 385_806_087
WriteRegisterByte 1_268_511
Utf8DecodingBase 491_071_412
Utf8DecodingByte 119_616_686
Utf16DecodingBase 638_526_925
Utf16DecodingByte 65_667_397
Sha256Base 1_056_921_225
Sha256Byte 9_541_417
Keccak256Base 1_381_437_987
Keccak256Byte 7_088_617
Keccak512Base 1_376_478_050
Keccak512Byte 12_130_535
Ripemd160Base 746_618_062
Ripemd160Block 311_012_256
EcrecoverBase 93_267_272_600
LogBase 638_526_925
LogByte 4_127_069
StorageWriteBase 14_999_582_250
StorageWriteKeyByte 26_046_745
StorageWriteValueByte 14_066_952
StorageWriteEvictedByte 12_976_428
StorageReadBase 22_919_981_375
StorageReadKeyByte 10_796_004
StorageReadValueByte 2_324_327
StorageRemoveBase 32_597_807_125
StorageRemoveKeyByte 23_824_882
StorageRemoveRetValueByte 3_280_154
StorageHasKeyBase 20_610_690_375
StorageHasKeyByte 10_633_154
TouchingTrieNode 6_548_566_107
PromiseAndBase 497_005_486
PromiseAndPerPromise 2_145_839
PromiseReturn 153_044_323
```
## Runtime Config
```
RuntimeConfig {
storage_amount_per_byte: 90900000000000000000,
transaction_costs: RuntimeFeesConfig {
action_receipt_creation_config: Fee {
send_sir: 166727937500,
send_not_sir: 166727937500,
execution: 166727937500,
},
data_receipt_creation_config: DataReceiptCreationConfig {
base_cost: Fee {
send_sir: 36486732312,
send_not_sir: 36486732312,
execution: 36486732312,
},
cost_per_byte: Fee {
send_sir: 17212011,
send_not_sir: 17212011,
execution: 17212011,
},
},
action_creation_config: ActionCreationConfig {
create_account_cost: Fee {
send_sir: 36141562500,
send_not_sir: 36141562500,
execution: 36141562500,
},
deploy_contract_cost: Fee {
send_sir: 1048446709636,
send_not_sir: 1048446709636,
execution: 1048446709636,
},
deploy_contract_cost_per_byte: Fee {
send_sir: 200304676,
send_not_sir: 200304676,
execution: 200304676,
},
function_call_cost: Fee {
send_sir: 170997750000,
send_not_sir: 170997750000,
execution: 170997750000,
},
function_call_cost_per_byte: Fee {
send_sir: 32217,
send_not_sir: 32217,
execution: 32217,
},
transfer_cost: Fee {
send_sir: 27182875000,
send_not_sir: 27182875000,
execution: 27182875000,
},
stake_cost: Fee {
send_sir: 62945125000,
send_not_sir: 62945125000,
execution: 62945125000,
},
add_key_cost: AccessKeyCreationConfig {
full_access_cost: Fee {
send_sir: 51742062500,
send_not_sir: 51742062500,
execution: 51742062500,
},
function_call_cost: Fee {
send_sir: 31599062500,
send_not_sir: 31599062500,
execution: 31599062500,
},
function_call_cost_per_byte: Fee {
send_sir: 12846343,
send_not_sir: 12846343,
execution: 12846343,
},
},
delete_key_cost: Fee {
send_sir: 17920125000,
send_not_sir: 17920125000,
execution: 17920125000,
},
delete_account_cost: Fee {
send_sir: 138294125000,
send_not_sir: 138294125000,
execution: 138294125000,
},
},
storage_usage_config: StorageUsageConfig {
num_bytes_account: 100,
num_extra_bytes_record: 40,
},
burnt_gas_reward: Ratio {
numer: 3,
denom: 10,
},
pessimistic_gas_price_inflation_ratio: Ratio {
numer: 103,
denom: 100,
},
},
wasm_config: VMConfig {
ext_costs: ExtCostsConfig {
base: 104001330,
contract_compile_base: 0,
contract_compile_bytes: 0,
read_memory_base: 281047100,
read_memory_byte: 1268409,
write_memory_base: 354655450,
write_memory_byte: 62581,
read_register_base: 248330812,
read_register_byte: 33194,
write_register_base: 385806087,
write_register_byte: 1268511,
utf8_decoding_base: 491071412,
utf8_decoding_byte: 119616686,
utf16_decoding_base: 638526925,
utf16_decoding_byte: 65667397,
sha256_base: 1056921225,
sha256_byte: 9541417,
keccak256_base: 1381437987,
keccak256_byte: 7088617,
keccak512_base: 1376478050,
keccak512_byte: 12130535,
ripemd160_base: 746618062,
ripemd160_block: 311012256,
ecrecover_base: 93267272600,
log_base: 638526925,
log_byte: 4127069,
storage_write_base: 14999582250,
storage_write_key_byte: 26046745,
storage_write_value_byte: 14066952,
storage_write_evicted_byte: 12976428,
storage_read_base: 22919981375,
storage_read_key_byte: 10796004,
storage_read_value_byte: 2324327,
storage_remove_base: 32597807125,
storage_remove_key_byte: 23824882,
storage_remove_ret_value_byte: 3280154,
storage_has_key_base: 20610690375,
storage_has_key_byte: 10633154,
storage_iter_create_prefix_base: 0,
storage_iter_create_prefix_byte: 0,
storage_iter_create_range_base: 0,
storage_iter_create_from_byte: 0,
storage_iter_create_to_byte: 0,
storage_iter_next_base: 0,
storage_iter_next_key_byte: 0,
storage_iter_next_value_byte: 0,
touching_trie_node: 6548566107,
promise_and_base: 497005486,
promise_and_per_promise: 2145839,
promise_return: 153044323,
validator_stake_base: 303944908800,
validator_total_stake_base: 303944908800,
},
grow_mem_cost: 1,
regular_op_cost: 1603479,
limit_config: VMLimitConfig {
max_gas_burnt: 200000000000000,
max_gas_burnt_view: 200000000000000,
max_stack_height: 16384,
initial_memory_pages: 1024,
max_memory_pages: 2048,
registers_memory_limit: 1073741824,
max_register_size: 104857600,
max_number_registers: 100,
max_number_logs: 100,
max_total_log_length: 16384,
max_total_prepaid_gas: 300000000000000,
max_actions_per_receipt: 100,
max_number_bytes_method_names: 2000,
max_length_method_name: 256,
max_arguments_length: 4194304,
max_length_returned_data: 4194304,
max_contract_size: 4194304,
max_transaction_size: 4194304,
max_length_storage_key: 4194304,
max_length_storage_value: 4194304,
max_promises_per_function_call_action: 1024,
max_number_input_data_dependencies: 128,
},
},
account_creation_config: AccountCreationConfig {
min_allowed_top_level_account_length: 0,
registrar_account_id: AccountId(
"registrar",
),
},
}
```
## Bonus: cost table for 100k
### Diff (weird)
```
ActionAddFullAccessKey: first=103484125000 second=66585750000 second/first=0.64
ActionDeleteKey: first=35840250000 second=29515875000 second/first=0.82
Utf16DecodingBase: first=638526925 second=807107300 second/first=1.26
LogBase: first=638526925 second=807107300 second/first=1.26
```
```
ActionReceiptCreation 380_214_000_000
ActionSirReceiptCreation 280_321_625_000
DataReceiptCreationBase 77_066_807_000
DataReceiptCreationPerByte 34_418_089
ActionCreateAccount 69_450_875_000
ActionDeployContractBase 2_113_236_763_216
ActionDeployContractPerByte 400_555_345
ActionFunctionCallBase 339_407_875_000
ActionFunctionCallPerByte 59_106
ActionTransfer 59_136_125_000
ActionStake 124_326_625_000
ActionAddFullAccessKey 66_585_750_000
ActionAddFunctionAccessKeyBase 61_889_375_000
ActionAddFunctionAccessKeyPerByte 25_654_425
ActionDeleteKey 29_515_875_000
ActionDeleteAccount 301_623_500_000
HostFunctionCall 104_014_022
WasmInstruction 1_596_534
ReadMemoryBase 281_569_850
ReadMemoryByte 1_268_409
WriteMemoryBase 356_472_375
WriteMemoryByte 62_581
ReadRegisterBase 249_392_350
ReadRegisterByte 33_034
WriteRegisterBase 386_952_675
WriteRegisterByte 1_268_510
Utf8DecodingBase 492_544_025
Utf8DecodingByte 119_612_130
Utf16DecodingBase 807_107_300
Utf16DecodingByte 65_665_569
Sha256Base 1_057_965_687
Sha256Byte 9_525_620
Keccak256Base 1_382_562_575
Keccak256Byte 7_072_488
Keccak512Base 1_378_324_425
Keccak512Byte 12_130_976
Ripemd160Base 747_458_075
Ripemd160Block 311_010_555
EcrecoverBase 92_932_529_562
LogBase 807_107_300
LogByte 4_114_062
StorageWriteBase 14_919_839_750
StorageWriteKeyByte 26_107_728
StorageWriteValueByte 14_085_175
StorageWriteEvictedByte 13_103_057
StorageReadBase 23_001_637_250
StorageReadKeyByte 10_863_355
StorageReadValueByte 2_345_661
StorageRemoveBase 32_412_804_250
StorageRemoveKeyByte 24_152_796
StorageRemoveRetValueByte 3_549_108
StorageHasKeyBase 21_330_633_000
StorageHasKeyByte 10_625_309
TouchingTrieNode 6_571_896_357
PromiseAndBase 496_993_706
PromiseAndPerPromise 2_137_265
PromiseReturn 153_189_731
```
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