Construction API Tester

[patrick-ogrady]

Fixes #68
Closes #73

This is one of the most substantial PRs ever added to the rosetta-cli. It enables, for the first time, automated testing of the Construction API for both account-based and UTXO-based blockchains.

Examples of configurations for both Bitcoin and Ethereum can be found in /examples.

Changes

• Update to latest SDK commit (v1.4.1 Specification Support mesh-sdk-go#84)
• Migrate CoinStorage to use Coin model from spec
• Merge miscellaneous fixes (Miscellaneous Fixes Before Release mesh-sdk-go#85)
• More misc fixes in SDK (Parse Coins mesh-sdk-go#86)
• support change addresses
• get balance from balance storage instead of account balance
• example configuration files for Bitcoin and Ethereum
• view:network -> view:networks
• v0.4.0 in cmd/root.go
• don't print scientific notation for small big floats
• address creation limit
• define "at tip" as time-based instead of block based
• move concurrency settings to main config
• move largest coin function to coin storage
• ensure no extra keys in config file
• polish + tests (link to bitcoin and ethereum examples in README)

Future PRs

• Fee Tuning
• Mempool Confirmation
• Multi-currency tests (i.e. send multiple currencies in a transaction)
• On-Chain Address Generation (i.e. create a transaction to generate an address)
• Enhanced end conditions (stop processing when certain conditions are met and exit with status 0)

[coveralls]

Pull Request Test Coverage Report for Build 3055

• 627 of 890 (70.45%) changed or added relevant lines in 8 files are covered.
• 3 unchanged lines in 2 files lost coverage.
• Overall coverage increased (+4.7%) to 71.376%

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Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
internal/utils/utils.go	49	52	94.23%
internal/storage/block_storage.go	14	18	77.78%
internal/storage/key_storage.go	3	12	25.0%
internal/storage/broadcast_storage.go	72	102	70.59%
internal/storage/coin_storage.go	80	121	66.12%
internal/constructor/constructor.go	340	516	65.89%

Files with Coverage Reduction	New Missed Lines	%
internal/storage/broadcast_storage.go	1	70.33%
internal/storage/coin_storage.go	2	67.41%

Totals
Change from base Build 2332:	4.7%
Covered Lines:	1541
Relevant Lines:	2159

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💛 - Coveralls

[qiwu7]

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[qiwu7]

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