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Abstract Balance to U256 #2697

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@cmichi cmichi commented Oct 29, 2025

Closes #2597.

Honestly not so happy with the effect this API change has on devx. While we are simplifying the types, I fear we are introducing another level of complexity. Previously, users could just use Rust literals for anything value let value = 100. Now they have to use 100.into() or U256::from(100). Otherwise they'll get a expected 'U256', found integer compiler error.

Also, the number ranges for simple tests are now way bigger. When developers use low numbers for value in their tests, decimal precision loss happens quite fast. This is because when U256 is converted to Balance the division is by EthToNativeRatio.

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github-actions bot commented Oct 29, 2025

🦑 📈 ink! Example Contracts ‒ Changes Report 📉 🦑

These are the results when building the integration-tests/* contracts from this branch and comparing them to ink! master:

Show overview

Using the ABI denoted in the contract manifest.

Contract Upstream Size (kB) PR Size (kB) Diff (kB) Diff (%) Change
./integration-tests/all-abi/events 18.412 18.412 0 0% ➖
./integration-tests/internal/call-builder-return-value 9.161 9.161 0 0% ➖
./integration-tests/internal/e2e-runtime-only-backend 2.202 2.202 0 0% ➖
./integration-tests/internal/gas-hostfns 1.016 1.016 0 0% ➖
./integration-tests/internal/lang-err/call-builder 8.193 8.193 0 0% ➖
./integration-tests/internal/lang-err/call-builder-delegate 3.6 3.6 0 0% ➖
./integration-tests/internal/lang-err/constructors-return-value 2.442 2.442 0 0% ➖
./integration-tests/internal/lang-err/contract-ref 6.732 6.732 0 0% ➖
./integration-tests/internal/lang-err/integration-flipper 2.059 2.059 0 0% ➖
./integration-tests/internal/mapping 10.628 10.628 0 0% ➖
./integration-tests/internal/misc-hostfns 2.204 2.204 0 0% ➖
./integration-tests/internal/mother 15.034 15.034 0 0% ➖
./integration-tests/internal/overflow-safety 1.31 1.31 0 0% ➖
./integration-tests/internal/own-code-hash 3.373 3.373 0 0% ➖
./integration-tests/internal/sr25519-verification 0.853 0.853 0 0% ➖
./integration-tests/internal/static-buffer 3.003 3.003 0 0% ➖
./integration-tests/internal/storage-types 16.779 16.779 0 0% ➖
./integration-tests/internal/system-precompile 2.314 2.314 0 0% ➖
./integration-tests/public/bytes 4.847 4.847 0 0% ➖
./integration-tests/public/complex-storage-structures 4.858 4.858 0 0% ➖
./integration-tests/public/conditional-compilation 1.727 1.727 0 0% ➖
./integration-tests/public/contract-invocation 7.952 7.952 0 0% ➖
./integration-tests/public/contract-invocation/contract1 2.081 2.081 0 0% ➖
./integration-tests/public/contract-invocation/contract2 1.996 1.996 0 0% ➖
./integration-tests/public/contract-invocation/virtual_contract 4.406 4.406 0 0% ➖
./integration-tests/public/contract-invocation/virtual_contract_ver1 1.954 1.954 0 0% ➖
./integration-tests/public/contract-invocation/virtual_contract_ver2 1.966 1.966 0 0% ➖
./integration-tests/public/contract-storage 7.624 7.624 0 0% ➖
./integration-tests/public/contract-terminate 1.551 1.551 0 0% ➖
./integration-tests/public/contract-transfer 2.736 2.736 0 0% ➖
./integration-tests/public/contract-xcm 28.071 28.071 0 0% ➖
./integration-tests/public/cross-contract-calls 8.457 8.457 0 0% ➖
./integration-tests/public/cross-contract-calls/other-contract 1.775 1.775 0 0% ➖
./integration-tests/public/custom-allocator 3.275 3.275 0 0% ➖
./integration-tests/public/custom-environment 2.726 2.726 0 0% ➖
./integration-tests/public/debugging-strategies 4.441 4.441 0 0% ➖
./integration-tests/public/dns 10.126 10.126 0 0% ➖
./integration-tests/public/e2e-call-runtime 1.563 1.563 0 0% ➖
./integration-tests/public/erc1155 20.781 20.781 0 0% ➖
./integration-tests/public/erc20 10.462 10.462 0 0% ➖
./integration-tests/public/erc721 12.038 12.038 0 0% ➖
./integration-tests/public/events 8.455 8.455 0 0% ➖
./integration-tests/public/fallible-setter 2.631 2.631 0 0% ➖
./integration-tests/public/flipper 1.775 1.775 0 0% ➖
./integration-tests/public/fuzz-testing 1.762 1.762 0 0% ➖
./integration-tests/public/incrementer 1.288 1.288 0 0% ➖
./integration-tests/public/lazyvec 5.725 5.725 0 0% ➖
./integration-tests/public/multi-contract-caller 11.768 11.768 0 0% ➖
./integration-tests/public/multi-contract-caller/accumulator 1.134 1.134 0 0% ➖
./integration-tests/public/multi-contract-caller/adder 3.09 3.09 0 0% ➖
./integration-tests/public/multi-contract-caller/subber 3.094 3.094 0 0% ➖
./integration-tests/public/multisig 27.548 27.548 0 0% ➖
./integration-tests/public/payment-channel 7.444 7.444 0 0% ➖
./integration-tests/public/precompile 5.53 5.53 0 0% ➖
./integration-tests/public/runtime-call-contract 1.778 1.778 0 0% ➖
./integration-tests/public/trait-dyn-cross-contract-calls 3.953 3.953 0 0% ➖
./integration-tests/public/trait-dyn-cross-contract-calls/contracts/incrementer 1.799 1.799 0 0% ➖
./integration-tests/public/trait-erc20 10.857 10.857 0 0% ➖
./integration-tests/public/trait-flipper 1.728 1.728 0 0% ➖
./integration-tests/public/trait-incrementer 1.87 1.87 0 0% ➖
./integration-tests/public/upgradeable-contracts/delegator 6.487 6.487 0 0% ➖
./integration-tests/public/upgradeable-contracts/delegator/delegatee 2.996 2.996 0 0% ➖
./integration-tests/public/upgradeable-contracts/delegator/delegatee2 2.996 2.996 0 0% ➖
./integration-tests/public/upgradeable-contracts/set-code-hash 1.723 1.723 0 0% ➖
./integration-tests/public/upgradeable-contracts/set-code-hash-migration 1.723 1.723 0 0% ➖
./integration-tests/public/upgradeable-contracts/set-code-hash-migration/migration 1.877 1.877 0 0% ➖
./integration-tests/public/upgradeable-contracts/set-code-hash-migration/updated-incrementer 1.901 1.901 0 0% ➖
./integration-tests/public/upgradeable-contracts/set-code-hash/updated-incrementer 1.675 1.675 0 0% ➖
./integration-tests/public/wildcard-selector 2.948 2.948 0 0% ➖
./integration-tests/solidity-abi/events 11.803 11.803 0 0% ➖
./integration-tests/solidity-abi/sol-cross-contract 4.492 4.492 0 0% ➖
./integration-tests/solidity-abi/sol-cross-contract/other-contract-sol 2.138 2.138 0 0% ➖
./integration-tests/solidity-abi/sol-encoding 2.063 2.063 0 0% ➖
./integration-tests/solidity-abi/solidity-calls-flipper 7.074 7.074 0 0% ➖
./integration-tests/solidity-abi/trait-dyn-cross-contract-calls 5.672 5.672 0 0% ➖
./integration-tests/solidity-abi/trait-dyn-cross-contract-calls/contracts/incrementer 1.651 1.651 0 0% ➖
./integration-tests/solidity-abi/trait-flipper 1.389 1.389 0 0% ➖
Show diagram 
gantt
   dateFormat x
   axisFormat x
section  
./integration-tests/all-abi/events : a5, 0, 0
v5 default abi - 0 kb       : a1, 0, 0
master default abi - 18412 kb       : a1, 0, 18412
pr default abi - 18412 kb      : a1, 0, 18412
pr sol abi - 18412 kb      : a2, 0, 18412
pr all abi - 18412 kb     : a3, 0, 18412
#nbsp; : a4, 0, 0

section  
./integration-tests/internal/call-builder-return-value : a5, 0, 0
v5 default abi - 8924 kb       : a1, 0, 8924
master default abi - 9161 kb       : a1, 0, 9161
pr default abi - 9161 kb      : a1, 0, 9161
pr sol abi - 0 kb      : a2, 0, 0
pr all abi - 0 kb     : a3, 0, 0
#nbsp; : a4, 0, 0

section  
./integration-tests/internal/e2e-runtime-only-backend : a5, 0, 0
v5 default abi - 1925 kb       : a1, 0, 1925
master default abi - 2202 kb       : a1, 0, 2202
pr default abi - 2202 kb      : a1, 0, 2202
pr sol abi - 0 kb      : a2, 0, 0
pr all abi - 0 kb     : a3, 0, 0
#nbsp; : a4, 0, 0

section  
./integration-tests/internal/gas-hostfns : a5, 0, 0
v5 default abi - 0 kb       : a1, 0, 0
master default abi - 1016 kb       : a1, 0, 1016
pr default abi - 1016 kb      : a1, 0, 1016
pr sol abi - 1118 kb      : a2, 0, 1118
pr all abi - 1486 kb     : a3, 0, 1486
#nbsp; : a4, 0, 0

section  
./integration-tests/internal/lang-err/call-builder : a5, 0, 0
v5 default abi - 2612 kb       : a1, 0, 2612
master default abi - 8193 kb       : a1, 0, 8193
pr default abi - 8193 kb      : a1, 0, 8193
pr sol abi - 0 kb      : a2, 0, 0
pr all abi - 0 kb     : a3, 0, 0
#nbsp; : a4, 0, 0

section  
./integration-tests/internal/lang-err/call-builder-delegate : a5, 0, 0
v5 default abi - 2612 kb       : a1, 0, 2612
master default abi - 3600 kb       : a1, 0, 3600
pr default abi - 3600 kb      : a1, 0, 3600
pr sol abi - 0 kb      : a2, 0, 0
pr all abi - 0 kb     : a3, 0, 0
#nbsp; : a4, 0, 0

section  
./integration-tests/internal/lang-err/constructors-return-value : a5, 0, 0
v5 default abi - 2011 kb       : a1, 0, 2011
master default abi - 2442 kb       : a1, 0, 2442
pr default abi - 2442 kb      : a1, 0, 2442
pr sol abi - 0 kb      : a2, 0, 0
pr all abi - 0 kb     : a3, 0, 0
#nbsp; : a4, 0, 0

section  
./integration-tests/internal/lang-err/contract-ref : a5, 0, 0
v5 default abi - 5087 kb       : a1, 0, 5087
master default abi - 6732 kb       : a1, 0, 6732
pr default abi - 6732 kb      : a1, 0, 6732
pr sol abi - 0 kb      : a2, 0, 0
pr all abi - 0 kb     : a3, 0, 0
#nbsp; : a4, 0, 0

section  
./integration-tests/internal/lang-err/integration-flipper : a5, 0, 0
v5 default abi - 1910 kb       : a1, 0, 1910
master default abi - 2059 kb       : a1, 0, 2059
pr default abi - 2059 kb      : a1, 0, 2059
pr sol abi - 0 kb      : a2, 0, 0
pr all abi - 0 kb     : a3, 0, 0
#nbsp; : a4, 0, 0

section  
./integration-tests/internal/mapping : a5, 0, 0
v5 default abi - 0 kb       : a1, 0, 0
master default abi - 10628 kb       : a1, 0, 10628
pr default abi - 10628 kb      : a1, 0, 10628
pr sol abi - 0 kb      : a2, 0, 0
pr all abi - 0 kb     : a3, 0, 0
#nbsp; : a4, 0, 0

section  
./integration-tests/internal/misc-hostfns : a5, 0, 0
v5 default abi - 0 kb       : a1, 0, 0
master default abi - 2204 kb       : a1, 0, 2204
pr default abi - 2204 kb      : a1, 0, 2204
pr sol abi - 2129 kb      : a2, 0, 2129
pr all abi - 2333 kb     : a3, 0, 2333
#nbsp; : a4, 0, 0

section  
./integration-tests/internal/mother : a5, 0, 0
v5 default abi - 12681 kb       : a1, 0, 12681
master default abi - 15034 kb       : a1, 0, 15034
pr default abi - 15034 kb      : a1, 0, 15034
pr sol abi - 0 kb      : a2, 0, 0
pr all abi - 0 kb     : a3, 0, 0
#nbsp; : a4, 0, 0

section  
./integration-tests/internal/overflow-safety : a5, 0, 0
v5 default abi - 0 kb       : a1, 0, 0
master default abi - 1310 kb       : a1, 0, 1310
pr default abi - 1310 kb      : a1, 0, 1310
pr sol abi - 2173 kb      : a2, 0, 2173
pr all abi - 2671 kb     : a3, 0, 2671
#nbsp; : a4, 0, 0

section  
./integration-tests/internal/own-code-hash : a5, 0, 0
v5 default abi - 0 kb       : a1, 0, 0
master default abi - 3373 kb       : a1, 0, 3373
pr default abi - 3373 kb      : a1, 0, 3373
pr sol abi - 2951 kb      : a2, 0, 2951
pr all abi - 4056 kb     : a3, 0, 4056
#nbsp; : a4, 0, 0

section  
./integration-tests/internal/sr25519-verification : a5, 0, 0
v5 default abi - 1082 kb       : a1, 0, 1082
master default abi - 853 kb       : a1, 0, 853
pr default abi - 853 kb      : a1, 0, 853
pr sol abi - 777 kb      : a2, 0, 777
pr all abi - 980 kb     : a3, 0, 980
#nbsp; : a4, 0, 0

section  
./integration-tests/internal/static-buffer : a5, 0, 0
v5 default abi - 0 kb       : a1, 0, 0
master default abi - 3003 kb       : a1, 0, 3003
pr default abi - 3003 kb      : a1, 0, 3003
pr sol abi - 0 kb      : a2, 0, 0
pr all abi - 0 kb     : a3, 0, 0
#nbsp; : a4, 0, 0

section  
./integration-tests/internal/storage-types : a5, 0, 0
v5 default abi - 11369 kb       : a1, 0, 11369
master default abi - 16779 kb       : a1, 0, 16779
pr default abi - 16779 kb      : a1, 0, 16779
pr sol abi - 0 kb      : a2, 0, 0
pr all abi - 0 kb     : a3, 0, 0
#nbsp; : a4, 0, 0

section  
./integration-tests/internal/system-precompile : a5, 0, 0
v5 default abi - 0 kb       : a1, 0, 0
master default abi - 2314 kb       : a1, 0, 2314
pr default abi - 2314 kb      : a1, 0, 2314
pr sol abi - 2243 kb      : a2, 0, 2243
pr all abi - 2770 kb     : a3, 0, 2770
#nbsp; : a4, 0, 0

section  
./integration-tests/public/bytes : a5, 0, 0
v5 default abi - 0 kb       : a1, 0, 0
master default abi - 4847 kb       : a1, 0, 4847
pr default abi - 4847 kb      : a1, 0, 4847
pr sol abi - 4847 kb      : a2, 0, 4847
pr all abi - 7535 kb     : a3, 0, 7535
#nbsp; : a4, 0, 0

section  
./integration-tests/public/complex-storage-structures : a5, 0, 0
v5 default abi - 0 kb       : a1, 0, 0
master default abi - 4858 kb       : a1, 0, 4858
pr default abi - 4858 kb      : a1, 0, 4858
pr sol abi - 7500 kb      : a2, 0, 7500
pr all abi - 9141 kb     : a3, 0, 9141
#nbsp; : a4, 0, 0

section  
./integration-tests/public/conditional-compilation : a5, 0, 0
v5 default abi - 1460 kb       : a1, 0, 1460
master default abi - 1727 kb       : a1, 0, 1727
pr default abi - 1727 kb      : a1, 0, 1727
pr sol abi - 0 kb      : a2, 0, 0
pr all abi - 0 kb     : a3, 0, 0
#nbsp; : a4, 0, 0

section  
./integration-tests/public/contract-invocation : a5, 0, 0
v5 default abi - 0 kb       : a1, 0, 0
master default abi - 7952 kb       : a1, 0, 7952
pr default abi - 7952 kb      : a1, 0, 7952
pr sol abi - 8741 kb      : a2, 0, 8741
pr all abi - 11825 kb     : a3, 0, 11825
#nbsp; : a4, 0, 0

section  
./integration-tests/public/contract-invocation/contract1 : a5, 0, 0
v5 default abi - 0 kb       : a1, 0, 0
master default abi - 2081 kb       : a1, 0, 2081
pr default abi - 2081 kb      : a1, 0, 2081
pr sol abi - 2138 kb      : a2, 0, 2138
pr all abi - 2891 kb     : a3, 0, 2891
#nbsp; : a4, 0, 0

section  
./integration-tests/public/contract-invocation/contract2 : a5, 0, 0
v5 default abi - 0 kb       : a1, 0, 0
master default abi - 1996 kb       : a1, 0, 1996
pr default abi - 1996 kb      : a1, 0, 1996
pr sol abi - 2102 kb      : a2, 0, 2102
pr all abi - 2784 kb     : a3, 0, 2784
#nbsp; : a4, 0, 0

section  
./integration-tests/public/contract-invocation/virtual_contract : a5, 0, 0
v5 default abi - 0 kb       : a1, 0, 0
master default abi - 4406 kb       : a1, 0, 4406
pr default abi - 4406 kb      : a1, 0, 4406
pr sol abi - 5539 kb      : a2, 0, 5539
pr all abi - 6443 kb     : a3, 0, 6443
#nbsp; : a4, 0, 0

section  
./integration-tests/public/contract-invocation/virtual_contract_ver1 : a5, 0, 0
v5 default abi - 0 kb       : a1, 0, 0
master default abi - 1954 kb       : a1, 0, 1954
pr default abi - 1954 kb      : a1, 0, 1954
pr sol abi - 2127 kb      : a2, 0, 2127
pr all abi - 2521 kb     : a3, 0, 2521
#nbsp; : a4, 0, 0

section  
./integration-tests/public/contract-invocation/virtual_contract_ver2 : a5, 0, 0
v5 default abi - 0 kb       : a1, 0, 0
master default abi - 1966 kb       : a1, 0, 1966
pr default abi - 1966 kb      : a1, 0, 1966
pr sol abi - 2139 kb      : a2, 0, 2139
pr all abi - 2547 kb     : a3, 0, 2547
#nbsp; : a4, 0, 0

section  
./integration-tests/public/contract-storage : a5, 0, 0
v5 default abi - 7459 kb       : a1, 0, 7459
master default abi - 7624 kb       : a1, 0, 7624
pr default abi - 7624 kb      : a1, 0, 7624
pr sol abi - 0 kb      : a2, 0, 0
pr all abi - 0 kb     : a3, 0, 0
#nbsp; : a4, 0, 0

section  
./integration-tests/public/contract-terminate : a5, 0, 0
v5 default abi - 1314 kb       : a1, 0, 1314
master default abi - 1551 kb       : a1, 0, 1551
pr default abi - 1551 kb      : a1, 0, 1551
pr sol abi - 1517 kb      : a2, 0, 1517
pr all abi - 1646 kb     : a3, 0, 1646
#nbsp; : a4, 0, 0

section  
./integration-tests/public/contract-transfer : a5, 0, 0
v5 default abi - 1520 kb       : a1, 0, 1520
master default abi - 2736 kb       : a1, 0, 2736
pr default abi - 2736 kb      : a1, 0, 2736
pr sol abi - 0 kb      : a2, 0, 0
pr all abi - 3120 kb     : a3, 0, 3120
#nbsp; : a4, 0, 0

section  
./integration-tests/public/contract-xcm : a5, 0, 0
v5 default abi - 18805 kb       : a1, 0, 18805
master default abi - 28071 kb       : a1, 0, 28071
pr default abi - 28071 kb      : a1, 0, 28071
pr sol abi - 0 kb      : a2, 0, 0
pr all abi - 0 kb     : a3, 0, 0
#nbsp; : a4, 0, 0

section  
./integration-tests/public/cross-contract-calls : a5, 0, 0
v5 default abi - 7471 kb       : a1, 0, 7471
master default abi - 8457 kb       : a1, 0, 8457
pr default abi - 8457 kb      : a1, 0, 8457
pr sol abi - 0 kb      : a2, 0, 0
pr all abi - 0 kb     : a3, 0, 0
#nbsp; : a4, 0, 0

section  
./integration-tests/public/cross-contract-calls/other-contract : a5, 0, 0
v5 default abi - 1591 kb       : a1, 0, 1591
master default abi - 1775 kb       : a1, 0, 1775
pr default abi - 1775 kb      : a1, 0, 1775
pr sol abi - 1550 kb      : a2, 0, 1550
pr all abi - 2361 kb     : a3, 0, 2361
#nbsp; : a4, 0, 0

section  
./integration-tests/public/custom-allocator : a5, 0, 0
v5 default abi - 7993 kb       : a1, 0, 7993
master default abi - 3275 kb       : a1, 0, 3275
pr default abi - 3275 kb      : a1, 0, 3275
pr sol abi - 0 kb      : a2, 0, 0
pr all abi - 0 kb     : a3, 0, 0
#nbsp; : a4, 0, 0

section  
./integration-tests/public/custom-environment : a5, 0, 0
v5 default abi - 2062 kb       : a1, 0, 2062
master default abi - 2726 kb       : a1, 0, 2726
pr default abi - 2726 kb      : a1, 0, 2726
pr sol abi - 1738 kb      : a2, 0, 1738
pr all abi - 3167 kb     : a3, 0, 3167
#nbsp; : a4, 0, 0

section  
./integration-tests/public/debugging-strategies : a5, 0, 0
v5 default abi - 0 kb       : a1, 0, 0
master default abi - 4441 kb       : a1, 0, 4441
pr default abi - 4441 kb      : a1, 0, 4441
pr sol abi - 4819 kb      : a2, 0, 4819
pr all abi - 5313 kb     : a3, 0, 5313
#nbsp; : a4, 0, 0

section  
./integration-tests/public/dns : a5, 0, 0
v5 default abi - 7142 kb       : a1, 0, 7142
master default abi - 10126 kb       : a1, 0, 10126
pr default abi - 10126 kb      : a1, 0, 10126
pr sol abi - 10407 kb      : a2, 0, 10407
pr all abi - 14248 kb     : a3, 0, 14248
#nbsp; : a4, 0, 0

section  
./integration-tests/public/e2e-call-runtime : a5, 0, 0
v5 default abi - 1182 kb       : a1, 0, 1182
master default abi - 1563 kb       : a1, 0, 1563
pr default abi - 1563 kb      : a1, 0, 1563
pr sol abi - 1436 kb      : a2, 0, 1436
pr all abi - 2049 kb     : a3, 0, 2049
#nbsp; : a4, 0, 0

section  
./integration-tests/public/erc1155 : a5, 0, 0
v5 default abi - 14566 kb       : a1, 0, 14566
master default abi - 20781 kb       : a1, 0, 20781
pr default abi - 20781 kb      : a1, 0, 20781
pr sol abi - 0 kb      : a2, 0, 0
pr all abi - 35552 kb     : a3, 0, 35552
#nbsp; : a4, 0, 0

section  
./integration-tests/public/erc20 : a5, 0, 0
v5 default abi - 6993 kb       : a1, 0, 6993
master default abi - 10462 kb       : a1, 0, 10462
pr default abi - 10462 kb      : a1, 0, 10462
pr sol abi - 12478 kb      : a2, 0, 12478
pr all abi - 17297 kb     : a3, 0, 17297
#nbsp; : a4, 0, 0

section  
./integration-tests/public/erc721 : a5, 0, 0
v5 default abi - 9754 kb       : a1, 0, 9754
master default abi - 12038 kb       : a1, 0, 12038
pr default abi - 12038 kb      : a1, 0, 12038
pr sol abi - 15001 kb      : a2, 0, 15001
pr all abi - 20631 kb     : a3, 0, 20631
#nbsp; : a4, 0, 0

section  
./integration-tests/public/events : a5, 0, 0
v5 default abi - 4955 kb       : a1, 0, 4955
master default abi - 8455 kb       : a1, 0, 8455
pr default abi - 8455 kb      : a1, 0, 8455
pr sol abi - 12531 kb      : a2, 0, 12531
pr all abi - 17685 kb     : a3, 0, 17685
#nbsp; : a4, 0, 0

section  
./integration-tests/public/fallible-setter : a5, 0, 0
v5 default abi - 0 kb       : a1, 0, 0
master default abi - 2631 kb       : a1, 0, 2631
pr default abi - 2631 kb      : a1, 0, 2631
pr sol abi - 2631 kb      : a2, 0, 2631
pr all abi - 3172 kb     : a3, 0, 3172
#nbsp; : a4, 0, 0

section  
./integration-tests/public/flipper : a5, 0, 0
v5 default abi - 1701 kb       : a1, 0, 1701
master default abi - 1775 kb       : a1, 0, 1775
pr default abi - 1775 kb      : a1, 0, 1775
pr sol abi - 1550 kb      : a2, 0, 1550
pr all abi - 2361 kb     : a3, 0, 2361
#nbsp; : a4, 0, 0

section  
./integration-tests/public/fuzz-testing : a5, 0, 0
v5 default abi - 0 kb       : a1, 0, 0
master default abi - 1762 kb       : a1, 0, 1762
pr default abi - 1762 kb      : a1, 0, 1762
pr sol abi - 0 kb      : a2, 0, 0
pr all abi - 0 kb     : a3, 0, 0
#nbsp; : a4, 0, 0

section  
./integration-tests/public/incrementer : a5, 0, 0
v5 default abi - 1538 kb       : a1, 0, 1538
master default abi - 1288 kb       : a1, 0, 1288
pr default abi - 1288 kb      : a1, 0, 1288
pr sol abi - 0 kb      : a2, 0, 0
pr all abi - 0 kb     : a3, 0, 0
#nbsp; : a4, 0, 0

section  
./integration-tests/public/lazyvec : a5, 0, 0
v5 default abi - 5103 kb       : a1, 0, 5103
master default abi - 5725 kb       : a1, 0, 5725
pr default abi - 5725 kb      : a1, 0, 5725
pr sol abi - 0 kb      : a2, 0, 0
pr all abi - 0 kb     : a3, 0, 0
#nbsp; : a4, 0, 0

section  
./integration-tests/public/multi-contract-caller : a5, 0, 0
v5 default abi - 6420 kb       : a1, 0, 6420
master default abi - 11768 kb       : a1, 0, 11768
pr default abi - 11768 kb      : a1, 0, 11768
pr sol abi - 13759 kb      : a2, 0, 13759
pr all abi - 12820 kb     : a3, 0, 12820
#nbsp; : a4, 0, 0

section  
./integration-tests/public/multi-contract-caller/accumulator : a5, 0, 0
v5 default abi - 1363 kb       : a1, 0, 1363
master default abi - 1134 kb       : a1, 0, 1134
pr default abi - 1134 kb      : a1, 0, 1134
pr sol abi - 1455 kb      : a2, 0, 1455
pr all abi - 2013 kb     : a3, 0, 2013
#nbsp; : a4, 0, 0

section  
./integration-tests/public/multi-contract-caller/adder : a5, 0, 0
v5 default abi - 1733 kb       : a1, 0, 1733
master default abi - 3090 kb       : a1, 0, 3090
pr default abi - 3090 kb      : a1, 0, 3090
pr sol abi - 3202 kb      : a2, 0, 3202
pr all abi - 3367 kb     : a3, 0, 3367
#nbsp; : a4, 0, 0

section  
./integration-tests/public/multi-contract-caller/subber : a5, 0, 0
v5 default abi - 1751 kb       : a1, 0, 1751
master default abi - 3094 kb       : a1, 0, 3094
pr default abi - 3094 kb      : a1, 0, 3094
pr sol abi - 3208 kb      : a2, 0, 3208
pr all abi - 3380 kb     : a3, 0, 3380
#nbsp; : a4, 0, 0

section  
./integration-tests/public/multisig : a5, 0, 0
v5 default abi - 21135 kb       : a1, 0, 21135
master default abi - 27548 kb       : a1, 0, 27548
pr default abi - 27548 kb      : a1, 0, 27548
pr sol abi - 0 kb      : a2, 0, 0
pr all abi - 0 kb     : a3, 0, 0
#nbsp; : a4, 0, 0

section  
./integration-tests/public/payment-channel : a5, 0, 0
v5 default abi - 5720 kb       : a1, 0, 5720
master default abi - 7444 kb       : a1, 0, 7444
pr default abi - 7444 kb      : a1, 0, 7444
pr sol abi - 11255 kb      : a2, 0, 11255
pr all abi - 14880 kb     : a3, 0, 14880
#nbsp; : a4, 0, 0

section  
./integration-tests/public/precompile : a5, 0, 0
v5 default abi - 0 kb       : a1, 0, 0
master default abi - 5530 kb       : a1, 0, 5530
pr default abi - 5530 kb      : a1, 0, 5530
pr sol abi - 7595 kb      : a2, 0, 7595
pr all abi - 8693 kb     : a3, 0, 8693
#nbsp; : a4, 0, 0

section  
./integration-tests/public/runtime-call-contract : a5, 0, 0
v5 default abi - 1592 kb       : a1, 0, 1592
master default abi - 1778 kb       : a1, 0, 1778
pr default abi - 1778 kb      : a1, 0, 1778
pr sol abi - 1550 kb      : a2, 0, 1550
pr all abi - 2366 kb     : a3, 0, 2366
#nbsp; : a4, 0, 0

section  
./integration-tests/public/trait-dyn-cross-contract-calls : a5, 0, 0
v5 default abi - 2808 kb       : a1, 0, 2808
master default abi - 3953 kb       : a1, 0, 3953
pr default abi - 3953 kb      : a1, 0, 3953
pr sol abi - 5672 kb      : a2, 0, 5672
pr all abi - 4380 kb     : a3, 0, 4380
#nbsp; : a4, 0, 0

section  
./integration-tests/public/trait-dyn-cross-contract-calls/contracts/incrementer : a5, 0, 0
v5 default abi - 1571 kb       : a1, 0, 1571
master default abi - 1799 kb       : a1, 0, 1799
pr default abi - 1799 kb      : a1, 0, 1799
pr sol abi - 1651 kb      : a2, 0, 1651
pr all abi - 2448 kb     : a3, 0, 2448
#nbsp; : a4, 0, 0

section  
./integration-tests/public/trait-erc20 : a5, 0, 0
v5 default abi - 7286 kb       : a1, 0, 7286
master default abi - 10857 kb       : a1, 0, 10857
pr default abi - 10857 kb      : a1, 0, 10857
pr sol abi - 12574 kb      : a2, 0, 12574
pr all abi - 17585 kb     : a3, 0, 17585
#nbsp; : a4, 0, 0

section  
./integration-tests/public/trait-flipper : a5, 0, 0
v5 default abi - 1460 kb       : a1, 0, 1460
master default abi - 1728 kb       : a1, 0, 1728
pr default abi - 1728 kb      : a1, 0, 1728
pr sol abi - 1389 kb      : a2, 0, 1389
pr all abi - 2128 kb     : a3, 0, 2128
#nbsp; : a4, 0, 0

section  
./integration-tests/public/trait-incrementer : a5, 0, 0
v5 default abi - 1630 kb       : a1, 0, 1630
master default abi - 1870 kb       : a1, 0, 1870
pr default abi - 1870 kb      : a1, 0, 1870
pr sol abi - 1820 kb      : a2, 0, 1820
pr all abi - 2702 kb     : a3, 0, 2702
#nbsp; : a4, 0, 0

section  
./integration-tests/public/upgradeable-contracts/delegator : a5, 0, 0
v5 default abi - 3869 kb       : a1, 0, 3869
master default abi - 6487 kb       : a1, 0, 6487
pr default abi - 6487 kb      : a1, 0, 6487
pr sol abi - 9015 kb      : a2, 0, 9015
pr all abi - 10942 kb     : a3, 0, 10942
#nbsp; : a4, 0, 0

section  
./integration-tests/public/upgradeable-contracts/delegator/delegatee : a5, 0, 0
v5 default abi - 1652 kb       : a1, 0, 1652
master default abi - 2996 kb       : a1, 0, 2996
pr default abi - 2996 kb      : a1, 0, 2996
pr sol abi - 2491 kb      : a2, 0, 2491
pr all abi - 3284 kb     : a3, 0, 3284
#nbsp; : a4, 0, 0

section  
./integration-tests/public/upgradeable-contracts/delegator/delegatee2 : a5, 0, 0
v5 default abi - 1652 kb       : a1, 0, 1652
master default abi - 2996 kb       : a1, 0, 2996
pr default abi - 2996 kb      : a1, 0, 2996
pr sol abi - 2491 kb      : a2, 0, 2491
pr all abi - 3284 kb     : a3, 0, 3284
#nbsp; : a4, 0, 0

section  
./integration-tests/public/upgradeable-contracts/set-code-hash : a5, 0, 0
v5 default abi - 1740 kb       : a1, 0, 1740
master default abi - 1723 kb       : a1, 0, 1723
pr default abi - 1723 kb      : a1, 0, 1723
pr sol abi - 2035 kb      : a2, 0, 2035
pr all abi - 2642 kb     : a3, 0, 2642
#nbsp; : a4, 0, 0

section  
./integration-tests/public/upgradeable-contracts/set-code-hash-migration : a5, 0, 0
v5 default abi - 1740 kb       : a1, 0, 1740
master default abi - 1723 kb       : a1, 0, 1723
pr default abi - 1723 kb      : a1, 0, 1723
pr sol abi - 2035 kb      : a2, 0, 2035
pr all abi - 2642 kb     : a3, 0, 2642
#nbsp; : a4, 0, 0

section  
./integration-tests/public/upgradeable-contracts/set-code-hash-migration/migration : a5, 0, 0
v5 default abi - 1302 kb       : a1, 0, 1302
master default abi - 1877 kb       : a1, 0, 1877
pr default abi - 1877 kb      : a1, 0, 1877
pr sol abi - 2616 kb      : a2, 0, 2616
pr all abi - 2584 kb     : a3, 0, 2584
#nbsp; : a4, 0, 0

section  
./integration-tests/public/upgradeable-contracts/set-code-hash-migration/updated-incrementer : a5, 0, 0
v5 default abi - 1930 kb       : a1, 0, 1930
master default abi - 1901 kb       : a1, 0, 1901
pr default abi - 1901 kb      : a1, 0, 1901
pr sol abi - 2600 kb      : a2, 0, 2600
pr all abi - 3098 kb     : a3, 0, 3098
#nbsp; : a4, 0, 0

section  
./integration-tests/public/upgradeable-contracts/set-code-hash/updated-incrementer : a5, 0, 0
v5 default abi - 1717 kb       : a1, 0, 1717
master default abi - 1675 kb       : a1, 0, 1675
pr default abi - 1675 kb      : a1, 0, 1675
pr sol abi - 2024 kb      : a2, 0, 2024
pr all abi - 2581 kb     : a3, 0, 2581
#nbsp; : a4, 0, 0

section  
./integration-tests/public/wildcard-selector : a5, 0, 0
v5 default abi - 3234 kb       : a1, 0, 3234
master default abi - 2948 kb       : a1, 0, 2948
pr default abi - 2948 kb      : a1, 0, 2948
pr sol abi - 0 kb      : a2, 0, 0
pr all abi - 5211 kb     : a3, 0, 5211
#nbsp; : a4, 0, 0

section  
./integration-tests/solidity-abi/events : a5, 0, 0
v5 default abi - 0 kb       : a1, 0, 0
master default abi - 11803 kb       : a1, 0, 11803
pr default abi - 11803 kb      : a1, 0, 11803
pr sol abi - 0 kb      : a2, 0, 0
pr all abi - 0 kb     : a3, 0, 0
#nbsp; : a4, 0, 0

section  
./integration-tests/solidity-abi/sol-cross-contract : a5, 0, 0
v5 default abi - 0 kb       : a1, 0, 0
master default abi - 4492 kb       : a1, 0, 4492
pr default abi - 4492 kb      : a1, 0, 4492
pr sol abi - 0 kb      : a2, 0, 0
pr all abi - 0 kb     : a3, 0, 0
#nbsp; : a4, 0, 0

section  
./integration-tests/solidity-abi/sol-cross-contract/other-contract-sol : a5, 0, 0
v5 default abi - 0 kb       : a1, 0, 0
master default abi - 2138 kb       : a1, 0, 2138
pr default abi - 2138 kb      : a1, 0, 2138
pr sol abi - 0 kb      : a2, 0, 0
pr all abi - 0 kb     : a3, 0, 0
#nbsp; : a4, 0, 0

section  
./integration-tests/solidity-abi/sol-encoding : a5, 0, 0
v5 default abi - 0 kb       : a1, 0, 0
master default abi - 2063 kb       : a1, 0, 2063
pr default abi - 2063 kb      : a1, 0, 2063
pr sol abi - 0 kb      : a2, 0, 0
pr all abi - 0 kb     : a3, 0, 0
#nbsp; : a4, 0, 0

section  
./integration-tests/solidity-abi/solidity-calls-flipper : a5, 0, 0
v5 default abi - 0 kb       : a1, 0, 0
master default abi - 7074 kb       : a1, 0, 7074
pr default abi - 7074 kb      : a1, 0, 7074
pr sol abi - 0 kb      : a2, 0, 0
pr all abi - 0 kb     : a3, 0, 0
#nbsp; : a4, 0, 0

section  
./integration-tests/solidity-abi/trait-dyn-cross-contract-calls : a5, 0, 0
v5 default abi - 0 kb       : a1, 0, 0
master default abi - 5672 kb       : a1, 0, 5672
pr default abi - 5672 kb      : a1, 0, 5672
pr sol abi - 0 kb      : a2, 0, 0
pr all abi - 0 kb     : a3, 0, 0
#nbsp; : a4, 0, 0

section  
./integration-tests/solidity-abi/trait-dyn-cross-contract-calls/contracts/incrementer : a5, 0, 0
v5 default abi - 0 kb       : a1, 0, 0
master default abi - 1651 kb       : a1, 0, 1651
pr default abi - 1651 kb      : a1, 0, 1651
pr sol abi - 0 kb      : a2, 0, 0
pr all abi - 0 kb     : a3, 0, 0
#nbsp; : a4, 0, 0

section  
./integration-tests/solidity-abi/trait-flipper : a5, 0, 0
v5 default abi - 0 kb       : a1, 0, 0
master default abi - 1389 kb       : a1, 0, 1389
pr default abi - 1389 kb      : a1, 0, 1389
pr sol abi - 0 kb      : a2, 0, 0
pr all abi - 0 kb     : a3, 0, 0
#nbsp; : a4, 0, 0
Loading
Show contract sizes: ink! vs Solidity ABI

The following table shows how the contract sizes on this branch change when choosing the Solidity ABI instead of the ink! ABI.

Contract Upstream Size (kB) PR Size (kB) Diff (kB) Diff (%) Change
./integration-tests/all-abi/events 18.412 18.412 0 0% ➖
./integration-tests/internal/gas-hostfns 1.016 1.118 0.102 10% 📈
./integration-tests/internal/misc-hostfns 2.204 2.129 -0.075 -2% 📉
./integration-tests/internal/overflow-safety 1.31 2.173 0.863 66% 📈
./integration-tests/internal/own-code-hash 3.373 2.951 -0.422 -12% 📉
./integration-tests/internal/sr25519-verification 0.853 0.777 -0.076 -8% 📉
./integration-tests/internal/system-precompile 2.314 2.243 -0.071 -2% 📉
./integration-tests/public/bytes 4.847 4.847 0 0% ➖
./integration-tests/public/complex-storage-structures 4.858 7.5 2.642 54% 📈
./integration-tests/public/contract-invocation 7.952 8.741 0.789 10% 📈
./integration-tests/public/contract-invocation/contract1 2.081 2.138 0.057 3% 📈
./integration-tests/public/contract-invocation/contract2 1.996 2.102 0.106 5% 📈
./integration-tests/public/contract-invocation/virtual_contract 4.406 5.539 1.133 26% 📈
./integration-tests/public/contract-invocation/virtual_contract_ver1 1.954 2.127 0.173 9% 📈
./integration-tests/public/contract-invocation/virtual_contract_ver2 1.966 2.139 0.173 9% 📈
./integration-tests/public/contract-terminate 1.551 1.517 -0.034 -1% 📉
./integration-tests/public/cross-contract-calls/other-contract 1.775 1.55 -0.225 -12% 📉
./integration-tests/public/custom-environment 2.726 1.738 -0.988 -35% 📉
./integration-tests/public/debugging-strategies 4.441 4.819 0.378 9% 📈
./integration-tests/public/dns 10.126 10.407 0.281 3% 📈
./integration-tests/public/e2e-call-runtime 1.563 1.436 -0.127 -7% 📉
./integration-tests/public/erc20 10.462 12.478 2.016 19% 📈
./integration-tests/public/erc721 12.038 15.001 2.963 25% 📈
./integration-tests/public/events 8.455 12.531 4.076 48% 📈
./integration-tests/public/fallible-setter 2.631 2.631 0 0% ➖
./integration-tests/public/flipper 1.775 1.55 -0.225 -12% 📉
./integration-tests/public/multi-contract-caller 11.768 13.759 1.991 17% 📈
./integration-tests/public/multi-contract-caller/accumulator 1.134 1.455 0.321 28% 📈
./integration-tests/public/multi-contract-caller/adder 3.09 3.202 0.112 4% 📈
./integration-tests/public/multi-contract-caller/subber 3.094 3.208 0.114 4% 📈
./integration-tests/public/payment-channel 7.444 11.255 3.811 51% 📈
./integration-tests/public/precompile 5.53 7.595 2.065 37% 📈
./integration-tests/public/runtime-call-contract 1.778 1.55 -0.228 -12% 📉
./integration-tests/public/trait-dyn-cross-contract-calls 3.953 5.672 1.719 43% 📈
./integration-tests/public/trait-dyn-cross-contract-calls/contracts/incrementer 1.799 1.651 -0.148 -7% 📉
./integration-tests/public/trait-erc20 10.857 12.574 1.717 16% 📈
./integration-tests/public/trait-flipper 1.728 1.389 -0.339 -19% 📉
./integration-tests/public/trait-incrementer 1.87 1.82 -0.05 -2% 📉
./integration-tests/public/upgradeable-contracts/delegator 6.487 9.015 2.528 39% 📈
./integration-tests/public/upgradeable-contracts/delegator/delegatee 2.996 2.491 -0.505 -16% 📉
./integration-tests/public/upgradeable-contracts/delegator/delegatee2 2.996 2.491 -0.505 -16% 📉
./integration-tests/public/upgradeable-contracts/set-code-hash 1.723 2.035 0.312 18% 📈
./integration-tests/public/upgradeable-contracts/set-code-hash-migration 1.723 2.035 0.312 18% 📈
./integration-tests/public/upgradeable-contracts/set-code-hash-migration/migration 1.877 2.616 0.739 39% 📈
./integration-tests/public/upgradeable-contracts/set-code-hash-migration/updated-incrementer 1.901 2.6 0.699 37% 📈
./integration-tests/public/upgradeable-contracts/set-code-hash/updated-incrementer 1.675 2.024 0.349 21% 📈
Show contract sizes: ink! vs all ABI

The following table shows how the contract sizes on this branch change when choosing the all ABI instead of the ink! ABI.

Contract Upstream Size (kB) PR Size (kB) Diff (kB) Diff (%) Change
./integration-tests/all-abi/events 18.412 18.412 0 0% ➖
./integration-tests/internal/gas-hostfns 1.016 1.486 0.47 46% 📈
./integration-tests/internal/misc-hostfns 2.204 2.333 0.129 6% 📈
./integration-tests/internal/overflow-safety 1.31 2.671 1.361 104% 📈
./integration-tests/internal/own-code-hash 3.373 4.056 0.683 20% 📈
./integration-tests/internal/sr25519-verification 0.853 0.98 0.127 15% 📈
./integration-tests/internal/system-precompile 2.314 2.77 0.456 20% 📈
./integration-tests/public/bytes 4.847 7.535 2.688 55% 📈
./integration-tests/public/complex-storage-structures 4.858 9.141 4.283 88% 📈
./integration-tests/public/contract-invocation 7.952 11.825 3.873 49% 📈
./integration-tests/public/contract-invocation/contract1 2.081 2.891 0.81 39% 📈
./integration-tests/public/contract-invocation/contract2 1.996 2.784 0.788 39% 📈
./integration-tests/public/contract-invocation/virtual_contract 4.406 6.443 2.037 46% 📈
./integration-tests/public/contract-invocation/virtual_contract_ver1 1.954 2.521 0.567 29% 📈
./integration-tests/public/contract-invocation/virtual_contract_ver2 1.966 2.547 0.581 30% 📈
./integration-tests/public/contract-terminate 1.551 1.646 0.095 6% 📈
./integration-tests/public/contract-transfer 2.736 3.12 0.384 14% 📈
./integration-tests/public/cross-contract-calls/other-contract 1.775 2.361 0.586 33% 📈
./integration-tests/public/custom-environment 2.726 3.167 0.441 16% 📈
./integration-tests/public/debugging-strategies 4.441 5.313 0.872 20% 📈
./integration-tests/public/dns 10.126 14.248 4.122 41% 📈
./integration-tests/public/e2e-call-runtime 1.563 2.049 0.486 31% 📈
./integration-tests/public/erc1155 20.781 35.552 14.771 71% 📈
./integration-tests/public/erc20 10.462 17.297 6.835 65% 📈
./integration-tests/public/erc721 12.038 20.631 8.593 71% 📈
./integration-tests/public/events 8.455 17.685 9.23 109% 📈
./integration-tests/public/fallible-setter 2.631 3.172 0.541 21% 📈
./integration-tests/public/flipper 1.775 2.361 0.586 33% 📈
./integration-tests/public/multi-contract-caller 11.768 12.82 1.052 9% 📈
./integration-tests/public/multi-contract-caller/accumulator 1.134 2.013 0.879 78% 📈
./integration-tests/public/multi-contract-caller/adder 3.09 3.367 0.277 9% 📈
./integration-tests/public/multi-contract-caller/subber 3.094 3.38 0.286 9% 📈
./integration-tests/public/payment-channel 7.444 14.88 7.436 100% 📈
./integration-tests/public/precompile 5.53 8.693 3.163 57% 📈
./integration-tests/public/runtime-call-contract 1.778 2.366 0.588 33% 📈
./integration-tests/public/trait-dyn-cross-contract-calls 3.953 4.38 0.427 11% 📈
./integration-tests/public/trait-dyn-cross-contract-calls/contracts/incrementer 1.799 2.448 0.649 36% 📈
./integration-tests/public/trait-erc20 10.857 17.585 6.728 62% 📈
./integration-tests/public/trait-flipper 1.728 2.128 0.4 23% 📈
./integration-tests/public/trait-incrementer 1.87 2.702 0.832 44% 📈
./integration-tests/public/upgradeable-contracts/delegator 6.487 10.942 4.455 69% 📈
./integration-tests/public/upgradeable-contracts/delegator/delegatee 2.996 3.284 0.288 10% 📈
./integration-tests/public/upgradeable-contracts/delegator/delegatee2 2.996 3.284 0.288 10% 📈
./integration-tests/public/upgradeable-contracts/set-code-hash 1.723 2.642 0.919 53% 📈
./integration-tests/public/upgradeable-contracts/set-code-hash-migration 1.723 2.642 0.919 53% 📈
./integration-tests/public/upgradeable-contracts/set-code-hash-migration/migration 1.877 2.584 0.707 38% 📈
./integration-tests/public/upgradeable-contracts/set-code-hash-migration/updated-incrementer 1.901 3.098 1.197 63% 📈
./integration-tests/public/upgradeable-contracts/set-code-hash/updated-incrementer 1.675 2.581 0.906 54% 📈
./integration-tests/public/wildcard-selector 2.948 5.211 2.263 77% 📈

Link to the run | Last update: Wed Oct 29 18:19:29 CET 2025

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Discussion: Balance vs U256, should we expose only a singular balance type to users?

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