valid token pool. if the same name in public market.

[todo]

aelf-block-api/app/controller/token.js

Lines 146 to 151 in 1b18429

	// TODO: valid token pool. if the same name in public market.
	// For Example: LOT, DISK, NET is now in public market.
	const validPool = [ 'ELF', 'AEUSD' ];
	const pairs = [];
	tokenList.forEach(token => {
	if (/^AE/.test(token.symbol) && token.symbol !== 'AEUSD') {

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This issue was generated by todo based on a TODO comment in 1b18429. It's been assigned to @hzz780 because they committed the code.