Add estimate fee tx #1279
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Add estimate fee tx #1279
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Pull request overview
This PR adds comprehensive documentation and code examples for calculating transaction fees on Polkadot-based chains. It provides practical examples using both Polkadot-API (PAPI) and Polkadot.js API, along with instructions for the Polkadot-JS Apps UI.
Key Changes:
- Complete tutorial documentation covering fee calculation concepts and prerequisites
- TypeScript code examples for both PAPI and Polkadot.js API with detailed explanations
- Expected output samples demonstrating fee estimation results
Reviewed changes
Copilot reviewed 5 out of 6 changed files in this pull request and generated 5 comments.
Show a summary per file
| File | Description |
|---|---|
.chain-interactions/send-transactions/calculate-transaction-fees.md |
Main tutorial document explaining transaction fee calculation with three different approaches (PAPI, Polkadot.js API, and UI) |
.snippets/code/chain-interactions/send-transactions/calculate-transaction-fees/polkadotjs-fee-calculator.ts |
Polkadot.js API implementation for fee estimation |
.snippets/code/chain-interactions/send-transactions/calculate-transaction-fees/polkadotjs-fee-calculator-output.html |
Expected terminal output for the Polkadot.js API example |
.snippets/code/chain-interactions/send-transactions/calculate-transaction-fees/papi-fee-calculator.ts |
PAPI implementation for fee estimation |
.snippets/code/chain-interactions/send-transactions/calculate-transaction-fees/papi-fee-calculator-output.html |
Expected terminal output for the PAPI example |
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brunopgalvao
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Dec 2, 2025
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Co-authored-by: Bruno Galvao <brunopgalvao@gmail.com> Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
0xlukem
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Dec 2, 2025
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Great work! I left a few comments
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Co-authored-by: Lucas Malizia <131050418+0xlukem@users.noreply.github.com>
eshaben
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Dec 8, 2025
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Noticed a couple minor things
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@0xlukem will leave this to you to provide final review 🙂 |
eshaben
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Dec 9, 2025
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eshaben
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Dec 9, 2025
eshaben
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B1 - Ready to Merge
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