update transaction init fee

[JeRaytheon]

update UInt64.fromUint(0) to new UInt64([0, 0]), code consistency

[coveralls]

Pull Request Test Coverage Report for Build 279

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage increased (+1.1%) to 75.11%

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Totals
Change from base Build 275:	1.1%
Covered Lines:	1298
Relevant Lines:	1581

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💛 - Coveralls