var COINS_PER_BLOCK_PHASE1   = 8,
BLOCK_PHASE2             = 263708,
COINS_PER_BLOCK_PHASE2   = 4,

BLOCK_PHASE3             = 334000,
COINS_PER_BLOCK_PHASE3   = 1,

// uncles rewards

// but NOT counted into supply yet in v0.2.7 !
// ignorant devs, see https://github.com/ethereum/go-ethereum/issues/2088

COINS_PER_UNCLE0_PHASE1 = 7,
COINS_PER_UNCLE1_PHASE1 = 6,
COINS_PER_UNCLE0_PHASE2 = 3.5,
COINS_PER_UNCLE1_PHASE2 = 3,
COINS_PER_UNCLE0_PHASE3 = 0.875,
COINS_PER_UNCLE1_PHASE3 = 0.75,
...

var mined  = function(blockNumber){
var coins = 0;
// blocks until 263707, reward 8
if (blockNumber < BLOCK_PHASE2) {
coins += COINS_PER_BLOCK_PHASE1 * blockNumber;
}
else{
coins += COINS_PER_BLOCK_PHASE1 * (BLOCK_PHASE2 - 1)
// blocks until 333999, reward 4
if (blockNumber < BLOCK_PHASE3) {
coins += COINS_PER_BLOCK_PHASE2 * (blockNumber - BLOCK_PHASE2 + 1);
}
else{
coins += COINS_PER_BLOCK_PHASE2 * (BLOCK_PHASE3 - BLOCK_PHASE2)
// blocks since 334000, reward 1
coins += COINS_PER_BLOCK_PHASE3 * (blockNumber - BLOCK_PHASE3 + 1)
}
}


// TODO: There have been later changes, please someone extend this.
 

return coins;

}