fix: consolidate CRANK_KEYPAIR into a singleton to reduce secretKey heap allocations - #355

AssertionError: expected undefined to be true // Object.is equality - Expected: true + Received: undefined ❯ tests/services/crank.test.ts:800:40

AssertionError: expected undefined to be true // Object.is equality - Expected: true + Received: undefined ❯ tests/services/crank.test.ts:764:49

AssertionError: expected 'failed' to be 'success' // Object.is equality Expected: "success" Received: "failed" ❯ tests/services/crank.test.ts:650:59

AssertionError: expected 11 to be 10 // Object.is equality - Expected + Received - 10 + 11 ❯ tests/services/crank.test.ts:522:54

AssertionError: expected 'failed' to be 'success' // Object.is equality Expected: "success" Received: "failed" ❯ tests/services/crank.test.ts:444:22

AssertionError: expected "vi.fn()" to be called 1 times, but got 0 times ❯ tests/services/crank.test.ts:407:36

AssertionError: expected 4 to be +0 // Object.is equality - Expected + Received - 0 + 4 ❯ tests/services/crank.b-fixes.test.ts:208:39

AssertionError: expected 7 to be +0 // Object.is equality - Expected + Received - 0 + 7 ❯ tests/services/crank.b-fixes.test.ts:181:66

AssertionError: expected function to throw an error, but it didn't ❯ tests/v17-risk-params.poc.test.ts:72:60

Error: CRANK_KEYPAIR is not set ❯ getKeeperKeypair src/lib/keypair-singleton.ts:22:21 ❯ CrankService.get _keypair [as _keypair] src/services/crank.ts:809:35 ❯ CrankService.crankAll src/services/crank.ts:1682:26 ❯ tests/services/crank.test.ts:2005:34 This error originated in "tests/services/crank.test.ts" test file. It doesn't mean the error was thrown inside the file itself, but while it was running. The latest test that might've caused the error is "#339: LP-vault tasks are skipped when _isRunning is false at launch time". It might mean one of the following: - The error was thrown, while Vitest was running this test. - If the error occurred after the test had been completed, this was the last documented test before it was thrown.