feat(btc): batch queries to improve transaction build time

[ShookLyngs]

Changes

• Add p-limit and batch queries in the sendRgbppUtxos() and TxBuilder.validateInputs() to improve transaction construction time, when querying a group of individual requests, batch up to 10 requests each time

Test

• Speed test @Dawn-githup

[Dawn-githup]

Performance Comparison Data

The following table shows the time taken by the sendRgbppUtxos() function to construct a transaction on different branches. The data compares the develop branch and the feat/batch-queries branch.

With 39 Cells

Branch	genBtcTransferCkbVirtualTx Time	sendRgbppUtxos Time	Total Time
develop	2.082s	130.531s	132.613s
develop	1.116s	111.526s	112.642s
develop	1.436s	126.264s	127.700s
PR #184	1.116s	121.187s	122.303s
PR #184	0.932s	112.381s	113.313s
PR #184	2.443s	116.837s	119.280s
feat/batch-queries	1.267s	52.193s	53.460s
feat/batch-queries	2.889s	59.937s	62.826s
feat/batch-queries	3.018s	63.788s	66.806s

Mitigating Network Fluctuations

Branch	genBtcTransferCkbVirtualTx Time	sendRgbppUtxos Time	Total Time
develop	0.489s	50.055s	50.544s
develop	0.450s	47.480s	47.930s
develop	0.406s	55.443s	55.849s
develop	0.426s	51.939s	52.365s
develop	0.439s	50.629s	51.068s
feat/batch-queries	0.450s	22.098s	22.548s
feat/batch-queries	0.428s	27.098s	27.526s
feat/batch-queries	0.555s	22.291s	22.846s
feat/batch-queries	0.467s	28.528s	28.995s
feat/batch-queries	0.467s	28.833s	29.300s

Conclusion

From the above data, it's clear that the feat/batch-queries branch has significantly optimized the transaction construction time. When compared to the develop branch, using batch requests has drastically reduced the execution time of the sendRgbppUtxos() function.

This optimization has reduced the transaction construction time from approximately 50 seconds on the develop branch to about 22 seconds on the feat/batch-queries branch, resulting in more than a twofold performance improvement.