Merge pull request #203 from LedgerHQ/swap-improvements #1044

Job	Run time
Compilation for NanoS, X, S+, and Stax (nanos, $NANOS_SDK)	1m 38s
Compilation for NanoS, X, S+, and Stax (nanox, $NANOX_SDK)	1m 44s
Compilation for NanoS, X, S+, and Stax (nanosp, $NANOSP_SDK)	1m 43s
Compilation for NanoS, X, S+, and Stax (stax, $STAX_SDK)	1m 58s
Tests with the Python library and legacy Bitcoin app	57s
Tests (nanos)	7m 38s
Tests on mainnet (nanos)	28s
Tests (nanox)	12m 28s
Tests on mainnet (nanox)	32s
Tests (nanosp)	8m 30s
Tests on mainnet (nanosp)	28s
Tests (stax)	59m 57s
Unit test	3m 49s
Tests on mainnet (stax)	45s
Tests with the JS library	1m 22s
Tests for rust client library	7m 5s
	1h 51m 2s

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